12 results on '"Keri Roberts"'
Search Results
2. Cytomegalovirus disease in lung transplantation: impact of recipient seropositivity and duration of antiviral prophylaxis
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Francisco M. Marty, Hilary J. Goldberg, Spencer T. Martin, Phillip C. Camp, Lindsey R. Baden, Sarah P. Hammond, Anne L. Fuhlbrigge, Keri Roberts, and Steven Gabardi
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Adult ,Male ,medicine.medical_specialty ,Time Factors ,medicine.medical_treatment ,Congenital cytomegalovirus infection ,Viremia ,Lower risk ,Antiviral Agents ,Gastroenterology ,Asymptomatic ,Young Adult ,Internal medicine ,medicine ,Humans ,Lung transplantation ,Aged ,Randomized Controlled Trials as Topic ,Retrospective Studies ,Pneumonitis ,Transplantation ,business.industry ,virus diseases ,Retrospective cohort study ,Middle Aged ,medicine.disease ,Infectious Diseases ,Cytomegalovirus Infections ,Immunology ,Female ,medicine.symptom ,business ,Lung Transplantation - Abstract
Background A recent randomized trial demonstrated that 1 year of antiviral prophylaxis for cytomegalovirus (CMV) after lung transplantation is superior to 3 months of treatment for prevention of CMV disease. However, it is uncertain if a shorter duration of prophylaxis might result in a similar rate of CMV disease among select lung transplant (LT) recipients who are at lower risk for CMV disease, based on baseline donor (D) and recipient (R) CMV serologies. Methods We retrospectively assessed incidence, cumulative probability, and predictors of CMV disease and viremia in LT recipients transplanted between July 2004 and December 2009 at our center, where antiviral CMV prophylaxis for 6–12 months is standard. Results Of 129 LT recipients, 94 were at risk for CMV infection based on donor CMV seropositivity (D+) or recipient seropositivity (R+); 14 developed CMV disease (14.9%): 11 with CMV syndrome, 2 with pneumonitis, and 1 with gastrointestinal disease by the end of follow-up (October 2010); 17 developed asymptomatic CMV viremia (18.1%). The cumulative probability of CMV disease was 17.4% 18 months after transplantation. CMV D+/R− recipients who routinely received 1 year of prophylaxis were more likely to develop CMV disease compared with D+/R+ or D−/R+ recipients, who routinely received 6 months of prophylaxis (12/45 vs. 2/25 vs. 0/24, P = 0.005). Recipients who stopped CMV prophylaxis before 12 months (in D+/R− recipients) and 6 months (in R+ recipients) tended to develop CMV disease more than those who did not (9/39 vs. 3/41, P = 0.06). Conclusions On a 6-month CMV prophylaxis protocol, few R+ recipients developed CMV disease in this cohort. In contrast, despite a 12-month prophylaxis protocol, D+/R− LT recipients remained at highest risk for CMV disease.
- Published
- 2012
3. Atovaquone versus trimethoprim-sulfamethoxazole as Pneumocystis jirovecii pneumonia prophylaxis following renal transplantation
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Peter Millen, Steven Gabardi, Anil Chandraker, Keri Roberts, Spencer T. Martin, and Shelley Hurwitz
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Male ,medicine.medical_specialty ,Pneumocystis carinii ,Pneumocystis pneumonia ,Anti-Infective Agents ,Risk Factors ,Internal medicine ,Trimethoprim, Sulfamethoxazole Drug Combination ,medicine ,Humans ,Pneumocystis jirovecii ,Adverse effect ,Atovaquone ,Retrospective Studies ,Transplantation ,biology ,business.industry ,Pneumonia, Pneumocystis ,Sulfamethoxazole ,Middle Aged ,Prognosis ,biology.organism_classification ,medicine.disease ,Kidney Transplantation ,Trimethoprim ,Tolerability ,Immunology ,Kidney Failure, Chronic ,Female ,business ,Follow-Up Studies ,medicine.drug - Abstract
Pneumocystis pneumonia (PCP) is associated with significant morbidity and mortality in renal transplant recipients (RTR). Trimethoprim-sulfamethoxazole (TMP-SMZ) is considered the prophylactic agent-of-choice. Some patients require an alternative owing to TMP-SMZ intolerance. This is the first evaluation of full-dose atovaquone vs. TMP-SMZ for PCP prevention in RTR. One hundred and eighty-five RTR were evaluated in this single-center, retrospective analysis. Patients received either single-strength TMP-SMZ daily (group I; n = 160) or 1500 mg/d of atovaquone and of a fluoroquinolone for one month (group II; n = 25). The primary endpoint was the incidence of PCP at 12 months post-transplant. There were no cases of PCP in either group. There were comparable rates of infections from bacterial pathogens and cytomegalovirus, but rates of BK viremia were significantly higher in group I (22.5%) vs. group II (4%; p = 0.03). The incidence of leukopenia was similar in both groups. Higher mean potassium levels were seen in group I at three months post-transplant but were comparable at all other time points. The need for dose reduction and/or premature discontinuation of therapy secondary to adverse events was more prevalent in TMP-SMZ-treated patients. In our experience, atovaquone appears to be effective in preventing PCP post-renal transplant and also demonstrates good tolerability.
- Published
- 2012
4. Induction Treatment with Rabbit Antithymocyte Globulin versus Basiliximab in Renal Transplant Recipients with Planned Early Steroid Withdrawal
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Beth Anne Filkins, Abdelaziz Elsanjak, Monica Grafals, Steven Gabardi, Anil Chandraker, Keri Roberts, Sacha A. De Serres, Spencer T Martin, Nidyanandh Vadivel, Stefan G. Tullius, and Sayeed K. Malek
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Adult ,Graft Rejection ,Male ,Nephrology ,medicine.medical_specialty ,Time Factors ,Basiliximab ,Biopsy ,Recombinant Fusion Proteins ,Urology ,Renal function ,Tacrolimus ,Cohort Studies ,Maintenance therapy ,Internal medicine ,medicine ,Animals ,Humans ,Pharmacology (medical) ,Glucocorticoids ,Kidney transplantation ,Antilymphocyte Serum ,Retrospective Studies ,business.industry ,Antibodies, Monoclonal ,Retrospective cohort study ,Length of Stay ,Middle Aged ,Mycophenolic Acid ,medicine.disease ,Kidney Transplantation ,Surgery ,Transplantation ,Regimen ,Treatment Outcome ,Female ,Rabbits ,business ,Immunosuppressive Agents ,medicine.drug - Abstract
Study Objective. To compare the safety and efficacy of rabbit antithymocyte globulin (r-ATG) with basiliximab in renal transplant recipients for whom an early steroid withdrawal (ESW) regimen was planned. Design. Single-center, retrospective, cohort study. Setting. Tertiary care medical center, including inpatient hospital stays and outpatient nephrology clinics. Patients. Ninety-nine consecutive adult recipients of living- or deceased-donor renal transplants between January 1, 2004, and December 31, 2007, in whom ESW was planned and who received either r-ATG or basiliximab; patients receiving an extended-criteria kidney donation or a donation after cardiac death were excluded. Measurements and Main Results. All patients received mycophenolate mofetil and tacrolimus as maintenance therapy with planned ESW. Induction therapy was either r-ATG 1.5 mg/kg/day for 4 days (68 patients) or basiliximab 20 mg on postoperative days 0 and 4 (31 patients). The primary composite end point of biopsy-proven acute rejection (BPAR), graft loss, and death occurred in 6 patients (9%) and 9 patients (29%) in the r-ATG and basiliximab groups at 1 year after transplantation, respectively (p=0.01), with rates of 7% (5/68 patients) and 26% (8/31 patients) for BPAR (p=0.02), 0% and 3% (1/31 patients) for graft loss (p=0.31), and 2% (1/68 patients) and 0% for patient death (p>0.99). Average time to first BPAR was significantly longer in the r-ATG group (mean ± SD 151.4 ± 82.9 vs 53.6 ± 68.4 days, p
- Published
- 2011
5. Recommendations for the Proper Use of Nonprescription Cough Suppressants and Expectorants in Solid-Organ Transplant Recipients
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Danielle Carter, Steven Gabardi, Keri Roberts, and Spencer T. Martin
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Drug Utilization ,medicine.medical_specialty ,Nonprescription Drugs ,Dextromethorphan ,Organ transplantation ,Guaifenesin ,medicine ,Humans ,Drug Interactions ,Intensive care medicine ,Expectorant ,Expectorants ,Transplantation ,business.industry ,Codeine ,Contraindications ,Diphenhydramine ,Organ Transplantation ,Antitussive Agents ,Pharmacodynamics ,Drug Monitoring ,Safety ,business ,Immunosuppressive Agents ,medicine.drug - Abstract
Objective To describe the pharmacology and safety of oral over-the-counter cough suppressants and expectorants and to present recommendations for the use of these agents in solid-organ transplant recipients based on the potential for adverse drug reactions or drug-disease interactions. Data Sources and Extraction Data from journal articles and other sources describing the pharmacology and safety of over-the-counter cough suppressants and expectorants, drug-drug interactions with immunosuppressive agents, and drug-disease state interactions are reviewed. Data Synthesis Potential and documented drug-drug interactions between immunosuppressive agents and over-the-counter cough medications guaifenesin, dextromethorphan, diphenhydramine, and codeine were evaluated on the basis of pharmacokinetic and pharmacodynamic principles. Interactions between these cough medications and the physiological changes in the body following transplantation also were examined. Conclusion Diphenhydramine requires additional monitoring when used to treat cough in transplant recipients owing to its anticholinergic properties and the potential for interactions with cyclosporine. Dextromethorphan can be used in most transplant recipients, although greater caution should be exercised if the patient has undergone liver transplant or has liver impairment. Guaifenesin can be used in transplant recipients but should be used with caution in patients receiving kidney or lung transplants and in patients with renal impairment. Codeine combined with guaifenesin is another option for cough and can be used in most transplant patients although those with reduced renal function should be monitored carefully for adverse events.
- Published
- 2011
6. Evaluation of Fluoroquinolones for the Prevention of BK Viremia after Renal Transplantation
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Hussein Sheashaa, Lea Borgi, Edgar L. Milford, Jie Chen, Stefan G. Tullius, Sushrut S. Waikar, Sayeed K. Malek, Anil Chandraker, Christine Dyer, Keri Roberts, Spencer T. Martin, Steven Gabardi, Nader Najafian, Monica Grafals, Nidyanandh Vadivel, and Reza Abdi
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Adult ,Male ,medicine.medical_specialty ,Time Factors ,Epidemiology ,Viremia ,Critical Care and Intensive Care Medicine ,medicine.disease_cause ,Antiviral Agents ,Levofloxacin ,Internal medicine ,Humans ,Medicine ,Kidney transplantation ,Aged ,Retrospective Studies ,Polyomavirus Infections ,Transplantation ,business.industry ,Original Articles ,Middle Aged ,Viral Load ,medicine.disease ,Kidney Transplantation ,BK virus ,Ciprofloxacin ,Treatment Outcome ,Nephrology ,BK Virus ,Immunology ,Female ,business ,Viral load ,Immunosuppressive Agents ,Boston ,Fluoroquinolones ,medicine.drug - Abstract
Background and objectives: Nearly 30% of renal transplant recipients develops BK viremia, a prerequisite for BK nephropathy. Case reports have evaluated treatment options for BK virus, but no controlled studies have assessed prophylactic therapies. Fluoroquinolone antibiotics were studied for prevention of BK viremia after renal transplantation. Design, setting, participants, & measurements: This retrospective analysis evaluated adult renal transplant recipients with at least one BK viral load (blood) between 90 and 400 days after transplantation. Six to 12 months of co-trimoxazole was used for Pneumocystis prophylaxis. In sulfa-allergic/-intolerant patients, 6 to 12 months of atovaquone with 1 month of a fluoroquinolone was used. Fluoroquinolones can inhibit BK DNA topoisomerase. The two groups studied were those that received 30 days of levofloxacin or ciprofloxacin after transplantation and those that did not. The primary endpoint was BK viremia rates at 1 year. Of note, of the 160 patients not receiving fluoroquinolone prophylaxis, 40 received a fluoroquinolone for treatment of a bacterial infection within 3 months after transplantation. Subgroup analysis evaluating these 40 patients against the 120 who had no exposure to fluoroquinolones was completed. Results: A 1-month fluoroquinolone course after transplantation was associated with significantly lower rates of BK viremia at 1 year compared with those with no fluoroquinolone. In the subgroup analysis, exposure to fluoroquinolone for treatment of bacterial infections within 3 months after transplantation was associated with significantly lower 1-year rates of BK viremia. Conclusions: This analysis demonstrates that fluoroquinolones are effective at preventing BK viremia after renal transplantation.
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- 2010
7. Analysis of infusion-site reactions in renal transplant recipients receiving peripherally administered rabbit antithymocyte globulin as compared with basiliximab
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Sayeed K. Malek, Stefan G. Tullius, Keri Roberts, Anil Chandraker, Steven Gabardi, and Abbie L. Erickson
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Transplantation ,medicine.medical_specialty ,Basiliximab ,business.industry ,Heparin ,medicine.disease ,Thrombosis ,Surgery ,medicine.anatomical_structure ,Concomitant ,Anesthesia ,medicine ,Clinical endpoint ,business ,Vein ,Kidney transplantation ,medicine.drug - Abstract
Antithymocyte globulin rabbit (r-ATG) has been used for the treatment and prevention of acute rejection in renal transplant recipients (RTR). Current manufacturer recommendations for r-ATG dictate the need for administration through a high-flow vein (central line). Previous studies have shown peripheral administration of r-ATG to be safe; however, these studies suggest the co-administration of heparin and hydrocortisone and did not compare the infusion-site reaction rates to a control group. A retrospective analysis was conducted of adult RTR receiving r-ATG or basiliximab between January 2004 and October 2006. Each agent was administered through a dedicated peripheral line. The primary endpoint was the incidence of infusion-site reactions. Other endpoints included the need to replace the intravenous catheter and the incidence of systemic thrombosis within 1 month of transplantation. During the study period, 152 peripheral infusions of r-ATG and 92 peripheral infusions of basiliximab were administered. No difference in infusion-site reactions was noted between the groups. There was also no difference either in the need for peripheral line replacement or the rates of systemic thrombosis. Peripheral administration of r-ATG is safe and can be infused without concomitant heparin and hydrocortisone. This method of r-ATG infusion was shown to be as safe as peripherally administered basiliximab.
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- 2010
8. Participation and partnerships in research: Listening to the ideas and experiences of a parent-carer
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Patricia Sloper, Steve Lister, Keri Roberts, and Wendy Mitchell
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Emotional support ,business.industry ,Perspective (graphical) ,Health care ,General Social Sciences ,Participatory action research ,Active listening ,Social care ,Service user ,Sociology ,Public relations ,business ,Meaning (linguistics) - Abstract
Recent health care policy directives advocate partnerships between researchers and service users in setting the research agenda and conducting research. This paper seeks to explore the meaning and reality of user participation from the perspective of a parent-carer and his experiences of being involved in three recent research projects. Important issues, such as the need for practical and emotional support and respect for user partners, are discussed alongside key questions for participants, including, what's in it for me? Drawing these ideas together, the authors' highlight four broad issues and recommendations to inform and guide the further progress of participatory research within health and social care.
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- 2003
9. How research worked: The messages from The Family Fund Trust Research Project
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Dot Lawton and Keri Roberts
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Sociology and Political Science ,Disabled child ,business.industry ,Short paper ,Key (cryptography) ,Service user ,Business ,Public relations ,Social Sciences (miscellaneous) - Abstract
The Messages from The Family Fund Trust research project examined issues of key importance to families with a disabled child. This short paper discusses the importance of involving service users in research and presents key findings and recommendations to arise from the project.
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- 2001
10. Lost in the System? Disabled Refugees and Asylum Seekers in Britain
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Keri Roberts
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Health (social science) ,Political science ,Refugee ,General Health Professions ,Short paper ,Comprehensive Plan of Action ,General Social Sciences ,Gender studies - Abstract
This short paper calls for greater awareness of disabled refugees and asylum seekers living in Britain. Currently, policy makers, many refugee communities and the disability movement fail to consider disabled refugees and asylum seekers, perhaps because they constitute a minority about whom data are rarely available. Focussing on the particular combination of circumstances affecting disabled refugees and asylum seekers, this paper presents recent changes in support arrangements for refugees and asylum seekers. The paper also calls for greater involvement in refugee issues by the disability movement.
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- 2000
11. Challenging barriers to participation in qualitative research: involving disabled refugees
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Jennifer Harris and Keri Roberts
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Medical education ,Refugee ,Qualitative interviews ,05 social sciences ,fungi ,050401 social sciences methods ,food and beverages ,Disabled people ,Social model of disability ,Conceptual basis ,0506 political science ,Education ,0504 sociology ,050602 political science & public administration ,lcsh:H1-99 ,lcsh:Social sciences (General) ,Psychology ,Social psychology ,Qualitative research - Abstract
In this article, the authors discuss the need to consider the potential barriers faced by both interviewers and respondents who wish to participate in qualitative research. Drawing on their experience of enabling disabled refugees to interview other disabled refugees, they discuss their conceptual basis for challenging barriers, and the practical measures they took to address the health, impairment and linguistic needs of both interviewers and respondents participating in the ‘Disabled Refugees in Britain’ research project. They conclude by encouraging other researchers to identify and challenge the barriers faced by all potential participants in qualitative research.
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- 2011
12. Renal transplantation - clinical studies - 3
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J M Campistol, Galina Severova-Andreevska, Asiq Ali, Ferruccio Conte, Miklos Z. Molnar, Yogesh N.V. Reddy, Éva Toronyi, Zoltán Kiss, Florian Swoboda, Maristela Bohlke, Upendra Singh, Stefan G. Tullius, Juan Bravo, Luisa Berardinelli, P. de Jong, Yoshitaka Isaka, Ali Bakran, Ali Ghafari, Amir Kameli, Walcy Rosolia Teodoro, Marcelo Sampaio, Paula C.B.C. Fernandes, Niels Olsen Saraiva Camara, Keri Roberts, Piergiorgio Messa, Varun Sundaram, Lale Jafari, Luiz Felipe Santos Gonçalves, Constantinos Deltas, Claudia Sommerer, Saber Shamspour, Yasar Caliskan, Laleh Jafari, Mohamad Ghasemi Rad, Suheyla Apaydin, Anett Lindner, Sofia Zarraga, Saravanan Sundarajan, Katharina Rahn, Adam Remport, Daniela C.O. Santos, Manuela Almeida, Ewa Ignacak, Ronaldo M. Esmeraldo, Mohammad Ghasemi-rad, Lluis Guirado, Halil Yazici, Yong Cho, M.F.G. Rocha, El-Metwally El-Shehawy, El-Metwaly El-Shahaway, R.T. Gansevoort, Andras Szentkiralyi, Marta Novak, Ramyasuda Swaminathan, Kélcia Rosana da Silva Quadros, Syed Atif Mohiuddin, Rashad Hassan, Sandra Mueller-Krebs, Marina Varga, Amgad E. El-Agroudy, Alpar S. Lazar, Christoph Wanner, Nilgun Aysuna, D. Dadhania, Dino Martini, Enyu Imai, Susana Pereira, Mohamed A. Sobh, Neda Poommipanit, Georgi Abraham, Masahiro Nishikawa, Maria E. Czira, Yoko Yamauchi, Jitka Stepankova, Muzaffer Sariyar, Nurhan Seyahi, Slobodan Antov, J.J. Homan van der Heide, Thangamani Muthukumar, Jeno Járay, Ayako Okuno, Rezzan Ataman, Karla Lais Pêgas, Ondrej Viklicky, Luciana Ghio, Naohiko Fujii, Maciej Drozdz, Takahiro Akiyama, Mehmet Riza Altiparmak, Khalid Mahmoud, L. Dias, Hirotaka Tanaka, Ana Cristina Matos, David Ansell, Naotsugu Ichimaru, Barbara Grandtnerova, A. Henriques, Arvind Ponnusamy, Szilárd Török, S. Seshan, Luiz Antonio Ribeiro de Moura, Shaker Salari, Claudia M. C. Oliveira, Michael J. Mihatsch, Kai Lopau, Lawrence Solomon, Claudio Beretta, Maria Jesus Martinez de Osaba, Robert Meyer, Mohamed A. Ghoneim, Lisoneide Terhorst, Sylvie Dusilová-Sulková, Mehmet Sukru Sever, Janka Slatinska, Lynsey Webb, Martin Zeier, Maria Ramos Cebrian, Ambadi Ramachandran, Zahra Sabahi, Helen Tzanatos, Rudolf P. Wüthrich, W. van Oeveren, Leonidio Dias, Kazuharu Uchida, Gilles Straub, Ali Taghizadeh, Klemens Budde, Ahmed F. Hamdy, Alaattin Yildiz, R. Almeida, M. Suthanthiran, S.J.L. Bakker, Rezso Zoller, Nagy Abd El-Hady, S. Pedroso, Yuvaram N.V. Reddy, Numan Gorgulu, Alvaro Pacheco-Silva, John Bankart, Ninoslav Ivanovski, Joao Evangelista, Luis Antonio Ribeiro Moura, Wagner V. Dominguez, Mohamed Salem, Sagrario Garcia, Ehab W. Wafa, Günther F.L. Hofbauer, Gentil Alves-Filho, Luis Oliveira, Olga Krizanova, Kamil Serdengecti, Gyula Végso, Raquel Franco Santos, Marcela Burgelova, Anna Casula, R. Chmel, Khadijeh Makhdoomi, P. Santos, Berna Yelken, Federico Oppenheimer, A. Cabrita, Cleonice Giovanini Alves da Silva, Sameh Hana, Meral Tasan, Piegiorgio Messa, Fergus Caskey, Antonio Henriques, Stela Scaglioni Marini, Irene L. Noronha, Eve Chowaniec, Yoshiaki Inui, Katalin Földes, Hana Berdnikova, Franklin Correa Barcellos, Mauro Raiteri, Ashley Irish, Katalin Fornadi, R. Ding, Suphamai Bunnapradist, Aydin Turkmen, Goce Spasovski, Niels Olsen Camara, Takayuki Hamano, Maria Pia Rastaldi, M. Teixeira, Andreas L. Serra, Maryam Zare, Kunio Morozumi, Istvan Mucsi, Camilo Reuber, Muhammed Ahmed, Miguel A. Gentil, Asami Takeda, Ahmed Akl, Amani Mostafa, Salih Pekmezci, Katarzyna Janda, Daniel Vedlich, Maria Luisa M.B. Oliveira, Farideh Bagheri, Francisco José Veríssimo Veronese, Petr Bubenicek, Ayman F. Refaie, La-Salete Martins, Ljubco Lekovski, Mozar Suzigan de Almeida, Matthias Schaier, C. Snopkowski, Sayeed Malek, Silvio Sandrini, Elizabeth Lamerton, Roberto Ceratti Manfro, Christoforos Stavrou, Ricardo Sesso, Fabio Massimo Ulivieri, Shiro Takahara, Hans-H. Neumayer, Antonio Cabrita, Carlo Alfieri, Maria Claudia Irigoyen, Alina Betkowska Prokop, Andrea Dunai, Virna Nowotny Carpio, Devendra Agarwal, Amani Moustafa, Andrzej Krasniak, Hidehumi Kishikawa, Steven Gabardi, Hiromi Rakugi, Dariusz Aksamit, Anil Chandraker, Janet Hagerty, Andreas Soloukides, Eduardo Bronzatto, Hugo Ludovico Martins, Hany Adel, Anke Godemann, Marilda Mazzali, Irena Rambabova-Busletic, Marina Balderacchi, Isao Matsui, Hasan Taşçi, Roberto Marcen, Maria Isabel Albano Edelweiss, Brigida Brezzi, H. van Goor, Rafael Hissé Gomes, Petra Glander, Yasuji Ichikawa, Valsamakis Hadjiconstantinou, Ayman Maher, Lutz Liefeldt, Zivko Popov, Lars E. French, Charles R.V. Tomson, Diego Morais Gomes, Ahmed A. Shokeir, E.E. Minetti, R. Seca, Carolina Rech, Władysław Sułowicz, Thomas Ben, Jose-Vicente Torregrosa, F. Nauta, Carlos Bergua, Paulo Santos, Jelka Masin-Spasovska, Evlyn Eickhoff, Dimitrios-Anestis Moutzouris, Donata Cresseri, and Kodo Tomida
- Subjects
Transplantation ,medicine.medical_specialty ,Nephrology ,business.industry ,medicine ,business ,Surgery - Published
- 2009
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