16 results on '"Segu M"'
Search Results
2. Normalization Perturbation: A Simple Domain Generalization Method for Real-World Domain Shifts
- Author
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Fan, Q., Segu, M., Tai, Y., Yu, F., Tang, C., Schiele, B., and Dai, D.
- Abstract
Improving model's generalizability against domain shifts is crucial,especially for safety-critical applications such as autonomous driving.Real-world domain styles can vary substantially due to environment changes andsensor noises, but deep models only know the training domain style. Such domainstyle gap impedes model generalization on diverse real-world domains. Ourproposed Normalization Perturbation (NP) can effectively overcome this domainstyle overfitting problem. We observe that this problem is mainly caused by thebiased distribution of low-level features learned in shallow CNN layers. Thus,we propose to perturb the channel statistics of source domain features tosynthesize various latent styles, so that the trained deep model can perceivediverse potential domains and generalizes well even without observations oftarget domain data in training. We further explore the style-sensitive channelsfor effective style synthesis. Normalization Perturbation only relies on asingle source domain and is surprisingly effective and extremely easy toimplement. Extensive experiments verify the effectiveness of our method forgeneralizing models under real-world domain shifts.
- Published
- 2022
3. CHANCE-CONSTRAINED PROGRAMMING: A SIMPLE WAY TO INCORPORATE RISK IN A LINEAR PROGRAMMING MODEL
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Taylor, Daniel B. and Zuhair, Segu M.
- Published
- 1986
4. ilot study assessing HIV vaccine trial readiness among female sex workers, injection and non-injection drug users, and men who have sex with men in Spain
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Etcheverry, M. F., Lazarri, E., Fuchs, J. D., Meroño, M., Sierra, E., Jorge del Romero, Evans, J. L., Mendez-Arancibia, E., Jacques, C., Daniela ROJAS CASTRO, Segu, M., Gatell, J. M., Joseph, J., Observatório CEAMIG-REA, Groupe de Recherche en Psychologie Sociale (GRePS), Université Lumière - Lyon 2 (UL2), and Greps, Laboratoire
- Subjects
[SHS.PSY] Humanities and Social Sciences/Psychology ,[SHS.PSY]Humanities and Social Sciences/Psychology - Published
- 2010
5. A phase III randomized trial of cyclophosphamide, mitoxantrone, and 5-fluorouracil (CNF) versus cyclophosphamide, adriamycin, and 5-fluorouracil (CAF) in patients with metastatic breast cancer
- Author
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Alonso, M. C., primary, Tabernero, J. M., additional, Ojeda, B., additional, Llanos, M., additional, Sol�, C., additional, Climent, M. A., additional, Segu�, M. A., additional, and L�pez, J. J., additional
- Published
- 1995
- Full Text
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6. Choice of Utility Functional Form: Its Effect on Classification of Risk Preferences and the Prediction of Farmer Decisions
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Zuhair, Segu M. M., Taylor, Daniel B., and Kramer, Randall A.
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Agricultural and Food Policy ,Risk and Uncertainty ,Research Methods/ Statistical Methods - Abstract
Subjective utility values were elicited from Sri Lankan producers of minor export crops. Exponential, quadratic, and cubic utility functions were estimated. The choice of functional form was found to affect both the classification of risk attitudes and the prediction of harvesting strategy.
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- 1987
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7. Primary Hemophilus influenzae pneumonitis in an adult
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Geere, I. W. and Segu, M. K.
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Letter - Published
- 1977
8. Harvesting behavior of perennial cash crops: a decision theoretic study
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Zuhair, Segu M. M. and Agricultural Economics
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LD5655.V856 1986.Z834 ,food and beverages ,Agriculture -- Sri Lanka ,Crops -- Sri Lanka - Abstract
This study analyzed the harvesting behavior of perennial cash-crop growers in Sri Lanka. These growers face two alternatives with respect to harvesting; premature and mature harvesting. The objectives of the study were: to determine the reasons for premature harvesting, to explain this behavior with socio-economic factors as explanatory variables, and to describe the behavior with decision theory. The first objective was achieved by surveying a sample of 240 farmers. Fear of theft and immediate money needs were the reasons why most farmers harvested their crop at a premature stage. A logit probability model was used to explain this behavior. Education of the farmer, ratio of lowland to total land operated by the farmer, and the total family income were significantly related to harvesting behavior. Expected utility theory, expected profit maximization, and a lexicographic safety-first model were used to predict farmer behavior. The expected utility approach used the exponential utility function, the quadratic utility function, and the cubic utility function. The lexicographic safety-first model minimized the probability of regret as the first objective and maximized the expected income as the second objective, in that order. The expected utility model with the exponential utility function made the largest number of correct predictions followed by the expected profit maximizing model. The conclusions of this study, while providing more evidence of the poor predictive ability of the expected profit maximizing model, further supports the usefulness of expected utility theory in describing and predicting farmer behavior. A majority of the studies on farmer behavior have concentrated on resource allocation. This study has demonstrated that even harvesting behavior can be explained by expected utility theory. There was no consistency in the way the utility functions ranked the two harvesting alternatives; for certain farmers the ranking of one function reversed the ranking of other functions. This study has, thus, demonstrated the influence of utility functional forms on the ranking of prospects. The results were sensitive to changes in the discount rate and the results of the safety-first model were sensitive to changes in the expected income. Ph. D.
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- 1986
9. Planning the Aesthetics of the Mandibular Angles in Orthognathic Surgery: Traditional vs. Virtual 3D Articulators
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Chiara Di Blasio, Marco Di Blasio, Benedetta Vaienti, Fabrizio Di Francesco, Alessandro Lanza, Giuseppe Minervini, Marzia Segù, Alberto Di Blasio, Di Blasio, C., Di Blasio, M., Vaienti, B., Di Francesco, F., Lanza, A., Minervini, G., Segu, M., and Di Blasio, A.
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Fluid Flow and Transfer Processes ,three-dimensional imaging ,orthognathic surgery ,Process Chemistry and Technology ,dental articulator ,General Engineering ,facial asymmetry ,General Materials Science ,Instrumentation ,Computer Science Applications - Abstract
Featured Application: Better surgical planning of the mandibular angle region. The surgical correction of dento-maxillofacial deformities for aesthetic reasons is increasingly required. In order to obtain the results that our patients expect, it is necessary to very thoroughly evaluate every aesthetic detail of the face, because an optimal result comes from the correction of all parameters. The region of the mandibular angles is very important in determining the final aesthetics but is at the same time difficult to predict. Traditional programming based on model surgery is inadequate in this regard compared to that based on CT (Computed Tomography) reconstruction. The authors explain the reasons for this and demonstrate the problems by reporting a typical clinical case.
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- 2022
10. Walkability and socio-economic status in relation to walking, playing and sports practice in a representative Spanish sample of youth: The PASOS study.
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Aznar S, Jimenez-Zazo F, Romero-Blanco C, Gómez SF, Homs C, Wärnberg J, Medrano M, Gusi N, Gonzalez-Gross M, Marín-Cascales E, González-Valeiro MÁ, Serra-Majem L, Terrados N, Tur JA, Segu M, Lassale C, Colom-Fernández A, Labayen I, Sánchez-Gómez J, Alcaraz PE, Sevilla-Sanchez M, Zapico AG, Herrera-Ramos E, Pulgar S, Bibilonii MDM, Sistac C, Schröder H, and Molina-García J
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- Child, Humans, Adolescent, Economic Status, Environment Design, Walking, Exercise, Residence Characteristics, Sports, Malnutrition
- Abstract
Purpose: Physical activity (PA) provides multiple health-related benefits in children and adolescents, however, at present, the majority of young people are insufficiently physically active. The aim of this study was to evaluate if neighborhood walkability and/or socio-economic status (SES) could affect the practice of walking, play outdoors and sports practice in a representative sample of Spanish children and adolescents., Methods: A sample of 4092 youth (aged 8-16 years old) from 245 primary and secondary schools in 121 localities from each of the 17 Spanish autonomous communities participated in the study. Walk Score was used to evaluate walkability of the neighborhood and household income was used as an indicator of SES. A 7-item self-reported validated questionnaire, was used to assess PA levels, and in a subsample of 10% of the participants, randomly selected from the entire sample, PA was objectively measured by accelerometers., Results: Youth from more walkable areas reported more minutes walking per day compared with those from less walkable neighborhoods (51.4 vs 48.8 minutes, respectively). The lowest average minutes spent in playing outdoors was found among participants from low-SES and low-walkable neighborhoods. Neighborhood SES influenced on the participation in team sports during the weekend, being this participation higher in high SES neighborhoods., Conclusion: Providing high walkable environments seems a good strategy to promote PA regardless SES levels. It seems that improving the walkability is a key component to partially overcome the SES inequalities, especially in urban areas with low SES. High-SES environments can offer better sports facilities and more organized physical activities than low-SES ones., Competing Interests: The authors have declared that no competing interests exist., (Copyright: © 2024 Aznar et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.)
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- 2024
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11. Perceived Quality of Life Is Related to a Healthy Lifestyle and Related Outcomes in Spanish Children and Adolescents: The Physical Activity, Sedentarism, and Obesity in Spanish Study.
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Ródenas-Munar M, Monserrat-Mesquida M, Gómez SF, Wärnberg J, Medrano M, González-Gross M, Gusi N, Aznar S, Marín-Cascales E, González-Valeiro MA, Serra-Majem L, Pulgar S, Segu M, Fitó M, Torres S, Benavente-Marín JC, Labayen I, Zapico AG, Sánchez-Gómez J, Jiménez-Zazo F, Alcaraz PE, Sevilla-Sánchez M, Herrera-Ramos E, Schröder H, Bouzas C, and Tur JA
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- Child, Humans, Adolescent, Cross-Sectional Studies, Exercise, Life Style, Healthy Lifestyle, Quality of Life, Obesity
- Abstract
Background: Maintaining a healthy lifestyle is crucial for safeguarding the well-being and quality of life perception, appropriate growth, and development of children and adolescents, while also mitigating the risk of future adult-onset diseases., Objective: To assess associations between perceived quality of life and healthy lifestyle and related outcomes in Spanish children and adolescents., Methods: Cross-sectional analysis of 8-16-year-old children and adolescents (n = 3534) were included in the nationwide study of Physical Activity, Sedentarism, and Obesity in Spanish Youth (PASOS). Data were collected through (1) questionnaires on health-related quality of life (HRQoL), healthy lifestyle outcomes (dietary intake, physical fitness, sleep, and screen time), and (2) anthropometric measurements for weight status assessment. Data were analysed by logistic regression, using the health-related quality of life (HRQoL) as the grouping variable., Results: Participants with a lower HRQoL were those with a lower adherence to the MedDiet and lower achievement of the recommended daily intake of fruit and vegetables. They were also less likely to follow the recommendations for screen time and sleep (with the exception of the weekend) compared to participants with a higher HRQoL. Participants with a lower HRQoL showed a lower healthy weight status and poorer physical fitness than those with a higher HRQoL., Conclusions: Healthy eating habits, healthy weight status (normal weight), appropriate sleep time, physical fitness, and limited screen time play a crucial role in the perceived quality of life in children and adolescents.
- Published
- 2023
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12. Lifestyle behaviors clusters in a nationwide sample of Spanish children and adolescents: PASOS study.
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Zapico AG, Aparicio-Ugarriza R, Quesada-González C, Gómez SF, Wärnberg J, Medrano M, Gusi N, Aznar S, Marín-Cascales E, González-Valeiro MA, Serra-Majem L, Pulgar S, Tur JA, Segu M, Fíto M, Homs C, Benavente-Marín JC, Sánchez-Gómez J, Jiménez-Zazo F, Alcaraz PE, Sevilla-Sánchez M, Herrera-Ramos E, Bouzas C, Sistac C, Schröder H, Gesteiro E, and González-Gross M
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- Female, Humans, Adolescent, Child, Male, Cross-Sectional Studies, Obesity, Sedentary Behavior, Life Style, Exercise
- Abstract
Background: Youth is a vulnerable period. To classify lifestyle behaviors and its relationship with health-related outcomes of Spanish children and adolescents., Methods: Cross-sectional study including 3261 children aged 7.5-17.5 y (52.8% females). Physical activity (PA), screen-time, sleep time, adherence to Mediterranean diet (MD), weight status (WS) by validated methods. Cluster analysis was run considering chronological age., Results: Six clusters were identified: C1: high screen time, low adherence to MD and sleep time (n = 431,13.20%); C2: high WS, medium adherence to MD,high sleep time, and low screen time (n = 466,14.30%); C3: young group with low screen time and high PA, adherence to MD and sleep (n = 537,16.40%); C4: worst profile regarding adherence to MD, PA, WS and sleep time (n = 609,18.70%); C5: low screen time and PA, high sleep time (n = 804,24.70%); C6: high PA and screen time, low WS (n = 414,12.70%). Mean absolute values were statistically different among PA levels, screen and sleep time, adherence to MD, age, and WS (all p < 0.001)., Conclusions: The most prevalent pattern was low levels of PA, MD, and screen time, and high sleep time. The second most prevalent was characterized by very low levels of PA, sleep time, and adherence to MD, and high screen time, and WS in adolescents., Impact Statement: The main identified lifestyle behavior was poor physical activity, low adherence to Mediterranean Diet and high screen and sleep time. Children should increase physical activity levels, adherence to Mediterranean diet, decrease screen and sleep the appropriate hours per day. Families, schools, and medical communities must work together to gloss over present and future diseases. Sleep time had not been previously included in cluster analysis with physical activity, sedentary behaviors, obesity, and nutritional status, thus the present data open a new perspective in Spanish population. Health policies should focus on promoting physical activity, Mediterranean diet, adequate sleep and reducing screen time., (© 2023. The Author(s), under exclusive licence to the International Pediatric Research Foundation, Inc.)
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- 2023
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13. Parents' Diet Quality and Physical Activity Are Associated with Lifestyle in Spanish Children and Adolescents: The PASOS Study.
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Monserrat-Mesquida M, Ródenas-Munar M, Gómez SF, Wärnberg J, Medrano M, González-Gross M, Gusi N, Aznar S, Marín-Cascales E, González-Valeiro MA, Serra-Majem L, Pulgar S, Segu M, Fitó M, Según G, Benavente-Marín JC, Labayen I, Zapico AG, Sánchez-Gómez J, Jiménez-Zazo F, Alcaraz PE, Sevilla-Sánchez M, Herrera-Ramos E, Schröder H, Tur JA, and Bouzas C
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- Animals, Cross-Sectional Studies, Fruit, Exercise, Vegetables, Diet, Mediterranean
- Abstract
Background: Non-communicable chronic diseases are associated with a low-quality diet, low physical activity, and sedentary behavior., Objective: To assess how parents' diet and physical activity habits were associated with their offsprings' lifestyles., Study Design: A cross-sectional analysis of 8-16-year-old children and adolescents (n = 2539; 51.9% girls) was carried out within the frame of the first edition of the Physical Activity, Sedentarism, Lifestyles, and Obesity in Spanish Youth study (PASOS-2019). Data on adherence to the Mediterranean Diet (MedDiet), daily moderate-vigorous physical activity (MVPA), and screen time per day (television, computer, video games, and mobile phone) were collected from children and adolescents, and data on parents' diet quality and physical activity were compiled. Logistic regression models were used to assess the association between parents' lifestyles and those of children and adolescents., Results: High diet quality of parents was associated with higher adherence to the MedDiet of children and adolescents, as well as high consumption of fruit, vegetables, fish, nuts, and legumes. The high physical activity level of parents was associated with the low consumption of fast foods, sweets, and candies in children and adolescents. Children with high levels of physical activity were those whose parents showed better diet quality and physical activity levels., Conclusions: Parents' high diet quality and physical activity were associated with healthy lifestyles, higher adherence to the MedDiet, and physical activity of their offspring, mainly in adolescents.
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- 2023
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14. Determinants of Adherence to the Mediterranean Diet in Spanish Children and Adolescents: The PASOS Study.
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Bibiloni MDM, Gallardo-Alfaro L, Gómez SF, Wärnberg J, Osés-Recalde M, González-Gross M, Gusi N, Aznar S, Marín-Cascales E, González-Valeiro MA, Serra-Majem L, Terrados N, Segu M, Lassale C, Homs C, Benavente-Marín JC, Labayen I, Zapico AG, Sánchez-Gómez J, Jiménez-Zazo F, Alcaraz PE, Sevilla-Sánchez M, Herrera-Ramos E, Pulgar S, Sistac C, Schröder H, Bouzas C, and Tur JA
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- Adolescent, Child, Cross-Sectional Studies, Exercise, Feeding Behavior, Female, Humans, Screen Time, Spain epidemiology, Diet, Mediterranean
- Abstract
A progressive shift away from traditional healthy dietary patterns, such as the Mediterranean diet (MedDiet), has been observed in recent decades. The aim of this study was to assess determinants of optimal adherence to the MedDiet in Spanish children and adolescents. A cross-sectional analysis was included in the PASOS nationwide representative study in Spain. Participants were 3607 children and adolescents; 8-16 years old. Primary and secondary outcome measures of weight and height were measured. Adherence to the MedDiet, physical activity, and sedentary behavior in children and adolescents, as well as parental physical activity and dietary habits, were assessed. Optimal adherence to the MedDiet was observed in 45.5% of primary school students and 34.8% of secondary school students (OR: 0.65; 95%CI: 0.56-0.75). Optimal adherence to the MedDiet was higher in children/adolescents meeting daily recommended moderate and vigorous physical activity (OR: 2.39, 95%CI: 1.97-2.89) and in those meeting daily recommended screen time on weekdays (OR: 2.05, 95%CI: 1.77-2.38) and weekends (OR: 1.76, 95%CI: 1.48-2.10). Participants with optimal adherence to the MedDiet were more likely to have mothers with a high-level education and high-tercile of SDQS, mothers who never smoked or were former smokers, and mothers who met the recommended physical activity and screen time. It can be concluded that a low prevalence of optimal adherence to the MedDiet was found among current Spanish children and adolescents. Optimal adherence to the MedDiet was associated with reaching the recommendations on physical activity and screen time, with the highest maternal educational level, and healthier maternal lifestyles.
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- 2022
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15. Combined Body Mass Index and Waist-to-Height Ratio and Its Association with Lifestyle and Health Factors among Spanish Children: The PASOS Study.
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Bibiloni MDM, Gallardo-Alfaro L, Gómez SF, Wärnberg J, Osés-Recalde M, González-Gross M, Gusi N, Aznar S, Marín-Cascales E, González-Valeiro M, Serra-Majem L, Terrados N, Segu M, Lassale C, Homs C, Benavente-Marín JC, Labayen I, Zapico AG, Sánchez-Gómez J, Jiménez-Zazo F, Alcaraz PE, Sevilla-Sánchez M, Herrera-Ramos E, Pulgar S, Sistac C, Schröder H, Bouzas C, and Tur JA
- Subjects
- Adolescent, Anthropometry, Child, Cross-Sectional Studies, Educational Status, Exercise statistics & numerical data, Female, Humans, Male, Mothers statistics & numerical data, Prevalence, Risk Factors, Screen Time, Spain epidemiology, Body Mass Index, Child Behavior, Life Style, Pediatric Obesity epidemiology, Waist-Height Ratio
- Abstract
Background and Aims: The World Health Organization recommended simultaneous measurement of body mass index (BMI) and waist circumference (WC) and suggested joint use to predict disease risks. The aim of this study was to assess the prevalence of BMI and waist-to-height ratio (WHtR) categories among Spanish children and adolescents, as well as their associations with several lifestyle factors., Methods: Cross-sectional analysis of 8-16-year-old children and adolescents ( n = 3772) were included in the PASOS nationwide representative study. Children/adolescents and their mothers/female caregivers answered a questionnaire on lifestyle and health factors. Child/adolescent anthropometrics were measured. Four combined BMI-WHtR disease risk categories were built., Results: A third of participants showed combined BMI-WHtR categories with high disease risk (12.3% 'increased risk', 9.7% 'high risk', 14.3% 'very high risk'). Participants in the 'very high risk' group were less likely to be females (odds ratio 0.63; 95% CI: 0.52-0.76) and adolescents (0.60; 95% CI: 0.49-0.72), to practice ≥60 min/day of moderate-vigorous physical activity (MVPA) (0.73; 95% CI: 0.57-0.93), and to watch <120 min/day of total screen time on weekdays (0.61; 95% CI: 0.49-0.76). Mothers of participants in the 'very high risk' group were less likely to have a high educational level, be in the overweight or normal range, have never smoked or were former smokers, and watch <120 min/day of total screen time on weekends. Participants in the 'increased' and 'high risk' categories had mothers with normal weight and ≥60 min/day of MVPA. Participants in the 'high risk' group did not achieve ≥60 min/day of MVPA and showed lower adherence to the Mediterranean diet., Conclusions: Adherence to a healthy lifestyle in children and adolescents, but also in their mothers/female caregivers during offspring's childhood and adolescence, is associated with low BMI-WHtR disease risk.
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- 2022
- Full Text
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16. Primary Hemophilus influenzae pneumonitis in an adult.
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Geere IW and Segu MK
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- Acute Disease, Adult, Haemophilus influenzae, Humans, Male, Bronchopneumonia etiology, Haemophilus Infections
- Published
- 1977
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