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1. Acute tubulointerstitial nephritis with or without uveitis: a novel form of post-acute COVID-19 syndrome in children

Author

Marina Avramescu, Pierre Isnard, Sarah Temmam, Agnès Chevalier, Paul Bastard, Mikael Attia, Romain Berthaud, Marc Fila, Claire Dossier, Julien Hogan, Tim Ulinski, Damia Leguevaques, Férielle Louillet, Edouard Martinez Casado, Jean-Michel Halimi, Sylvie Cloarec, Ariane Zaloszyc, Camille Faudeux, Caroline Rousset-Rouvière, Stéphanie Clavé, Jérôme Harambat, Edouard Rollot, Thomas Simon, Megan Nallet-Amate, Bruno Ranchin, Justine Bacchetta, Florence Porcheret, Josselin Bernard, Amélie Ryckewaert, Anne Jamet, Jacques Fourgeaud, Nicolas Da Rocha, Philippe Pérot, Nicolas Kuperwasser, Naïm Bouazza, Marion Rabant, Jean-Paul Duong Van Huyen, Matthieu P Robert, Julien Zuber, Jean-Laurent Casanova, Marc Eloit, Isabelle Sermet-Gaudelus, Olivia Boyer, Centre de Référence des Maladies Rénales Héréditaires de l'Enfant et de l'Adulte [CHU-Necker] (MARHEA), CHU Necker - Enfants Malades [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP), Imagine - Institut des maladies génétiques (IHU) (Imagine - U1163), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris Cité (UPCité), Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP), Institut Necker Enfants-Malades (INEM - UM 111 (UMR 8253 / U1151)), Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Découverte de pathogènes – Pathogen discovery, Institut Pasteur [Paris] (IP), Hôpital Arnaud de Villeneuve [CHRU Montpellier], Centre Hospitalier Régional Universitaire [Montpellier] (CHRU Montpellier), Human genetics of infectious diseases : Mendelian predisposition (Equipe Inserm U1163), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris Cité (UPCité)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris Cité (UPCité), Rockefeller University [New York], Génétique Moléculaire des Virus à ARN - Molecular Genetics of RNA Viruses (GMV-ARN (UMR_3569 / U-Pasteur_2)), Institut Pasteur [Paris] (IP)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), AP-HP Hôpital universitaire Robert-Debré [Paris], CHU Trousseau [APHP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU), Centre Hospitalier Régional Universitaire [Lille] (CHRU Lille), CHU Rouen, Normandie Université (NU), Centre Hospitalier Régional Universitaire de Tours (CHRU Tours), CHU Strasbourg, Centre Hospitalier Universitaire de Nice (CHU Nice), Assistance Publique - Hôpitaux de Marseille (APHM), CHU Bordeaux [Bordeaux], Bordeaux population health (BPH), Université de Bordeaux (UB)-Institut de Santé Publique, d'Épidémiologie et de Développement (ISPED)-Institut National de la Santé et de la Recherche Médicale (INSERM), Centre Hospitalier Universitaire de Toulouse (CHU Toulouse), CHU Dijon, Centre Hospitalier Universitaire de Dijon - Hôpital François Mitterrand (CHU Dijon), Hospices Civils de Lyon (HCL), Centre hospitalier universitaire de Nantes (CHU Nantes), CHU Pontchaillou [Rennes], Pharmacologie et évaluations thérapeutiques chez l'enfant et la femme enceinte (URP_7323), Université Paris Cité (UPCité), Site Tarnier (hôpital Cochin) - APHP, CIC - Mère Enfant Necker Cochin Paris Centre (CIC 1419), Hôpital Cochin [AP-HP], and Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris Cité (UPCité)

Subjects
pediatric, SARS-CoV, Nephrology, [SDV]Life Sciences [q-bio], 2 TINUs, tubule-interstitial nephritis, uveitis, COVID-19
Abstract

BackgroundCOVID-19 is a complex multisystem disease, frequently associated with kidney injury. Since the beginning of the COVID-19 pandemic, we observed a striking increase in the incidence of acute tubulointerstitial nephritis (aTIN) without or with uveitis (TINUs) among children. This prompted us to examine whether SARS-CoV-2 might be the underlying trigger.MethodsWe conducted a French nationwide retrospective cohort study. We included all consecutive children diagnosed with aTIN or TINUs of undetermined cause between April-2020 and March-2021. SARS-CoV-2 antibody responses were tested by a luciferase immunoprecipitation system and compared to age-matched controls. Immunohistochemistry, immunofluorescence and molecular microbiology analyses were performed on kidney biopsies.ResultsForty-eight children were included with a median age at diagnosis of 14.7 years (9.4-17.6). aTIN and TINUs incidence rates increased 3-fold and 12-fold, respectively, compared to pre-pandemic years. All patients had impaired kidney function with a median eGFR of 31.9 ml/min/1.73m² at diagnosis. Kidney biopsies showed lesions of acute tubulointerstitial nephritis and 25% of patients had fibrosis. No patient had concomitant acute COVID-19. All 16 children tested had high anti-N IgG titers and one had anti-S IgGs. Next-generation sequencing failed to detect any infectious agents in kidney biopsies. However, SARS-CoV-2 RNA was detected by PCR in two kidney samples supporting a potential direct link between SARS-CoV-2 and aTIN/TINUs.ConclusionsWe describe a novel form of post-acute COVID-19 syndrome in children, unique in its exclusive kidney and eye involvement, and its distinctive anti-SARS-CoV-2 N+/S-serological profile. Our results support a causal association linking SARS-CoV-2 infection to this newly-reported burst of renal/eye inflammation.

Published
2023

2. The genetic landscape and clinical spectrum of nephronophthisis and related ciliopathies

Author

Friederike Petzold, Katy Billot, Xiaoyi Chen, Charline Henry, Emilie Filhol, Yoann Martin, Marina Avramescu, Maxime Douillet, Vincent Morinière, Pauline Krug, Cécile Jeanpierre, Kalman Tory, Olivia Boyer, Anita Burgun, Aude Servais, Remi Salomon, Alexandre Benmerah, Laurence Heidet, Nicolas Garcelon, Corinne Antignac, Mohamad Zaidan, Sophie Saunier, Tania Attié-Bitach, Valerie Comier-Daire, Jean-Michel Rozet, Yaacov Frishberg, Brigitte Llanas, Michel Broyer, Nabil Mohsin, Marie-Alice Macher, Nicole Philip, Véronique Baudouin, Damian Brackman, Chantal Loirat, Marina Charbit, Maud Dehennault, Claude Guyot, Pierre Bataille, Mariet Elting, Georges Deschenes, Andrea Gropman, Geneviève Guest, Marie-France Gagnadoux, Philippe Nicoud, Pierre Cochat, Bruno Ranchin, Albert Bensman, Anne-Marie Guerrot, Bertrand Knebelmann, Ilmay Bilge, Danièle Bruno, Stéphane Burtey, Caroline Rousset Rouvière, Valérie Caudwell, Denis Morin, Hélène Dollfus, Anne Maisin, Christian Hamel, Eric Bieth, Sophie Gie, Judith Goodship, Gwenaelle Roussey, Hermine La Selve, Hubert Nivet, Lucie Bessenay, Mathilde Caillez, Jean Bernard Palcoux, Stéphane Benoît, Philippe Dubot, Marc Fila, Fabienne Giuliano, Daouya Iftene, Michele Kessler, Theresa Kwon, Anine Lahoche, Audrey Laurent, Anne-Laure Leclerc, David Milford, Thomas Neuhaus, Sylvie Odent, Philippe Eckart, Dominique Chauveau, Patrick Niaudet, Horacio Repetto, Sophie Taque, Alexandra Bruel, Alexandra Noel-Botte, Emma Allain Launay, Lisa Allard, Dany Anlicheau, Anne-Laure Adra, Arnaud Garnier, Arvind Nagra, Remy Baatard, Justine Bacchetta, Banu Sadikoglu, Christine Barnerias, Anne Barthelemy, Lina Basel, Nader Bassilios, Hedi Ben Maiz, Fatma Ben Moussa, Faïza Benmati, Romain Berthaud, Aurélia Bertholet, Dominique Blanchier, Jean Jacques Boffa, Karim Bouchireb, Ihab Bouhabel, Zakaria Boukerroucha, Guylhène Bourdat-Michel, Odile Boute, Karine Brochard, Roseline Caumes, Siham Chafai Elalaoui, Bernard Chamontin, Marie Caroline Chastang, Christine Pietrement, Christine Richer, Christophe Legendre, Karin Dahan, Fabienne Dalla-Vale, Damien Thibaudin, Maxime Dauvergne, Salandre Davourie, Martin Debeukelaer, Jean Daniel Delbet, Constantinos Deltas, Denis Graber, Nadège Devillars, Boucar Diouf, Martine Doco Fenzy, Jean-Luc André, Dominique Joly, Alan Fryer, Laetitia Albano, Elisabeth Cassuto, Aline Pincon, Ana Medeira, Annabelle Chaussenot, Anne Mensire-Marinier, Francois Bouissou, Stephane Decramer, Armand Bottani, Aurélie Hummel, Alexandre Karras, Avi Katz, Christine Azema, Bénédicte Janbon, Bernard Roussel, Claude Bonniol, Christiophe Mariat, Gérard Champion, Deborah Chantreuil, Nicolas Chassaing, Christiane Mousson, Christine Baudeau, Delphine Hafdar Cuntz, Cyril Mignot, Laurene Dehoux, Didier Lacombe, Thierry Hannedouche, Elodie Mérieau, Emmanuelle Charlin, Eric Gauthier, Florent Plasse, Stanislas Faguer, Fanny Lebas, Florence Demurger, Francesco Emma, François Cartault, Geneviève Dumont, Nathalie Godefroid, Vincent Guigonis, Sophie Hillaire, Jaap Groothoff, Jan Dudley, Noémie Jourde-Chiche, Khalil El Karoui, Saoussen Krid, Krier Coudert, Larbi Bencheick, Laurent Yver, Marie-Pierre Lavocat, Le Monies De Sagazan, Valerie Leroy, Lise Thibaudin, Liz Ingulli, Lorraine Gwanmesia, Lydie Burglen, Marie-Hélène Saïd-Menthon, Marta Carrera, Mathilde Nizon, Catherine Melander, Michel Foulard, Monique Blayo, Jacques Prinseau, Nadine Jay, Nathalie Brun, Nicolas Camille, François Nobili, Olivier Devuyst, Ouafa Ben Brahim, Paloma Parvex, Laurence Perrin Sabourin, Philippe Blanc, Philippe Vanhille, Pierre Galichon, Sophie Pierrepont, Vincent Planquois, Gwenaelle Poussard, Claire Pouteil Noble, Radia Allal, Raphaelle Bernard, Raynaud Mounet, Rémi Cahen, Renaud Touraine, Claire Rigothier, Amélie Ryckewaert, Mathieu Sacquepee, Salima El Chehadeh, Charlotte Samaille, Shuman Haq, Ari Simckes, Stéphanie Lanoiselée, Stephanie Tellier, Jean-François Subra, Sylvie Cloarec, Julie Tenenbam, Thomas Lamy, Valérie Drouin Garraud, Huguette Valette, Vanina Meyssonnier, Rosa Vargas-Poussou, Yves Snajer, Sandrine Durault, Emmanuelle Plaisier, Etienne Berard, Fadi Fakhouri, Ferielle Louillet, Paul Finielz, Michel Fischbach, Bernard Foliguet, Hélène Francois-Pradier, Florentine Garaix, Marion Gerard, Gianfranco Rizzoni, Brigitte Gilbert, Denis Glotz, Astrid Godron Dubrasquet, Jean-Pierre Grünfeld, Guillaume Bollee, Michelle Hall, Sverker Hansson, Damien Haye, Hélène Taffin, Friedhelm Hildebrandt, Maryvonne Hourmand, Hümya Kayserili, Ivan Tack, Marie Line Jacquemont, Jennifer Fabre-Teste, Cliff Kashtan, Kkoen Van Hoeck, Alexandre Klein, Yannick Knefati, Nine Knoers, Martin Konrad, Alain Lachaux, Isabelle Landru, Gilbert Landthaler, Philippe Lang, Patrick Le Pogamp, Tristan Legris, Catherine Didailler, Thierry Lobbedez, Loïc de Parscau, Lucile Pinson, Hervé Maheut, Marc Duval-Arnould, Marlène Rio, Marie-Claire Gubler, Pierre Merville, Guillaume Mestrallet, Maite Meunier, Karine Moreau, Jérôme Harambat, Graeme Morgan, Georges Mourad, Niksic Stuber, Odile Boespflug-Tanguy, Olivier Dunand, Olivier Niel, Nacera Ouali, Paolo Malvezzi, Pauline Abou Jaoude, Solenne Pelletier, Julie Peltier, M.B. Petersen, Philippe Michel, Philippe Rémy, Jean-Baptiste Philit, Valérie Pichault, Thierry Billette de Villemeur, Bernard Boudailliez, Bruno Leheup, Claire Dossier, Djamal-Dine Djeddi, Yves Berland, Bruno Hurault de Ligny, Susan Rigden, Christophe Robino, Annick Rossi, Sabine Sarnacki, Messaoud Saidani, Albane Brodin Sartorius, Elise Schäfer, Sztriha Laszlo, Marie-Christine Thouret, Angélique Thuillier-Lecouf, Howard Trachtman, Claire Trivin, Michel Tsimaratos, Rita Van Damme-Lombaerts, Marjolaine Willems, Michel Youssef, Ariane Zaloszyc, Alexis Zawodnik, and Marie-Julia Ziliotis

Subjects
Nephrology
Abstract

Nephronophthisis (NPH) is an autosomal-recessive ciliopathy representing one of the most frequent causes of kidney failure in childhood characterized by a broad clinical and genetic heterogeneity. Applied to one of the worldwide largest cohorts of patients with NPH, genetic analysis encompassing targeted and whole exome sequencing identified disease-causing variants in 600 patients from 496 families with a detection rate of 71%. Of 788 pathogenic variants, 40 known ciliopathy genes were identified. However, the majority of patients (53%) bore biallelic pathogenic variants in NPHP1. NPH-causing gene alterations affected all ciliary modules defined by structural and/or functional subdomains. Seventy six percent of these patients had progressed to kidney failure, of which 18% had an infantile form (under five years) and harbored variants affecting the Inversin compartment or intraflagellar transport complex A. Forty eight percent of patients showed a juvenile (5-15 years) and 34% a late-onset disease (over 15 years), the latter mostly carrying variants belonging to the Transition Zone module. Furthermore, while more than 85% of patients with an infantile form presented with extra-kidney manifestations, it only concerned half of juvenile and late onset cases. Eye involvement represented a predominant feature, followed by cerebellar hypoplasia and other brain abnormalities, liver and skeletal defects. The phenotypic variability was in a large part associated with mutation types, genes and corresponding ciliary modules with hypomorphic variants in ciliary genes playing a role in early steps of ciliogenesis associated with juvenile-to-late onset NPH forms. Thus, our data confirm a considerable proportion of late-onset NPH suggesting an underdiagnosis in adult chronic kidney disease.

Published
2023

3. Benign and malignant proliferation in idiopathic nephrotic syndrome: a French cohort study

Author

Clara Cébron, Astrid Godron-Dubrasquet, Nathalie Aladjidi, Gwenaelle Roussey, Olivia Boyer, Marina Avramescu, Veronique Baudouin, Joelle Terzic, Emma Allain-Launay, Frédéric Rieux-Laucat, Stéphane Decramer, Thomas Simon, and Jérôme Harambat

Subjects
Cohort Studies, Nephrotic Syndrome, Treatment Outcome, Nephrology, Child, Preschool, Nephrosis, Lipoid, Remission Induction, Pediatrics, Perinatology and Child Health, Humans, Mycophenolic Acid, Immunosuppressive Agents, Cell Proliferation, Retrospective Studies
Abstract

There seems to be a possible link between nephrotic syndrome (NS) and lymphoproliferative syndrome, but it remains poorly understood.This multicentric and retrospective study focuses on children, who developed idiopathic NS and malignant or benign proliferation between 2000 and 2021.Eleven patients were included, with a median age of 4 years. Only one had a steroid-resistant nephrotic syndrome (SRNS). The maintenance therapy before the proliferation was in majority tacrolimus or mycophenolate mofetil (MMF), but three patients did not receive treatments. The proliferation was mainly a Hodgkin's lymphoma (45%) or a lymphoproliferative disease (36%), in a median time after the NS of two years. Viruses were found in seven cases (EBV in five cases and HHV-8 in two).The association between proliferative syndrome and idiopathic NS may not be fortuitous, possibly with a common lymphocytic disturbance. Genetic analyses could improve the comprehension of these manifestations in the future. A higher resolution version of the Graphical abstract is available as Supplementary information.

Published
2022

4. To biopsy or not to biopsy: Henoch-Schönlein nephritis in children, a 5-year follow-up study

Author

Julien Hogan, Gwenaelle Roussey, Marina Avramescu, Coralie Barbe, Rémi Salomon, Justine Bacchetta, Stéphane Decramer, Christine Pietrement, Annie Lahoche, and Tim Ulinski

Subjects
Nephrology, medicine.medical_specialty, Nephritis, Proteinuria, Henoch-Schonlein purpura, medicine.diagnostic_test, business.industry, Biopsy, medicine.disease, Nephropathy, IgA vasculitis, Internal medicine, Pediatrics, Perinatology and Child Health, Cohort, medicine, Humans, medicine.symptom, Child, business, Follow-Up Studies, Retrospective Studies
Abstract

The prognosis of Henoch-Schonlein purpura (HSP), IgA vasculitis, depends on kidney involvement. There is no consensus on the initiation of treatment for HSP nephritis (HSPN). Some centres start treatment before performing a kidney biopsy (KB) while in others, treatment is dictated by the importance of the clinical, biological and histological signs. The aim of this study was to evaluate which of these two approaches is associated with a better kidney outcome at 5-year follow-up. This multicentre, retrospective, nonrandomised study included children treated for HSPN between 2006 and 2010 in a French paediatric nephrology unit. One group had an early KB at diagnosis (before starting treatment or in the 15 following days). In the second group, initial treatment was decided without performing a KB. Among the 107 children included, 63.5% had an early KB at diagnosis. Follow-up at 5 years was completed in 44 children (28 KB at diagnosis, 16 no KB at diagnosis). Median urine protein/creatinine at 5 years was 2.5 mg/mmol in the early biopsy diagnosis group and 12.5 mg/mmol in the non-biopsy group. An antiproteinuric treatment was given, at 5 years, to 35.7% of the early biopsy at diagnosis children and in 62.5% of the non-biopsied children. Children with early KB at diagnosis seem to have a better renal outcome at 5 years compared to those without an early biopsy at diagnosis or biopsied later. However, this is a small patient cohort and data are missing. Further work is needed to build consensual guidelines on the management of HSPN in children.

Published
2021

5. Induction therapy for pediatric onset class IV lupus nephritis: Mycophenolate Mofetil versus Cyclophosphamide

Author

Marwa Chbihi, Laurye-Anne Eveillard, Quentin Riller, Romain Brousse, Romain Berthaud, Pierre Quartier, Rémi Salomon, Marina Charbit, Marina Avramescu, Nathalie Biebuyck, Laurène Dehoux, Nicolas Garcelon, Jean-Paul Duong-Van-Huyen, Brigitte Bader-Meunier, and Olivia Boyer

Subjects
Nephrology
Abstract

Class IV lupus nephritis (LN) is one of the most frequent and severe types of involvement in pediatric systemic lupus erythematosus. Gold standard treatment consists of intravenous (i.v.) Cyclophosphamide (CYC) associated with corticosteroids. Recent studies in adults have shown similar efficacy of oral Mycophenolate Mofetil (MMF) with fewer adverse events. Our aim was to compare the efficacy and tolerance of CYC and MMF as induction therapy in children with class IV LN.We conducted a retrospective study of children diagnosed with class IV LN who started oral MMF or i.v. CYC treatment at Necker Enfants Malades Hospital (Paris, France).The study included 33 patients, 17 treated with oral MMF (51%) and 16 with i.v. CYC (48%). The characteristics at treatment induction did not significantly differ between the two groups except for the neurological involvement, that was only present in the CYC group. Complete remission was obtained in 9/17 (53%) children treated with MMF versus 10/16 (71%) treated with CYC (p = 0.46). Relapse was observed in 59% of patients receiving MMF versus 50% receiving CYC (p = 0.87), after a median of 3.4 years and 4.7 years after the beginning of treatment, respectively (p = 0.41). During the 6.5 years of follow-up, we observed no significant difference regarding the number of treatment-related adverse events between the two groups (p = 0.48).We report similar efficacy and tolerance of MMF or CYC as induction therapy of class IV LN in children. However, the long-term adverse events such as infertility could not be systematically evaluated in this retrospective pediatric study. Overall, however, considering the long-term safety profile reported in the literature, we suggest that MMF may be used as first-line induction therapy in LN.

Published
2022

6. A diagnostic dilemma in a boy with lupus and dyspnea: Answers

Author

Olivia Boyer, Guillaume Dorval, Marina Avramescu, Marion Rabant, Henri Giniès, Romain Berthaud, Nathalie Biebuyck-Gougé, Brigitte Bader-Meunier, Laureline Berteloot, and Alice Hadchouel

Subjects
Nephrology, medicine.medical_specialty, Systemic lupus erythematosus, business.industry, Internal medicine, Pediatrics, Perinatology and Child Health, Medicine, Shrinking lung syndrome, Diagnostic dilemma, business, medicine.disease, Dermatology
Published
2020

7. Benefits of BNP/NT-proBNP serum level evaluation for dry weight adjustment in pediatric hemodialysis patients

Author

Antoine Mouche, Cyrielle Parmentier, Fatma Fendri, Claire Herbez-Rea, Anne Couderc, Laurène Dehoux, Marina Avramescu, Theresa Kwon, Julien Hogan, Jean-Daniel Delbet, and Tim Ulinski

Subjects
Nephrology, Pediatrics, Perinatology and Child Health
Abstract

Dry weight (DW) adjustment in children on hemodialysis (HD) can be challenging. It relies on clinical evaluation and additional supports. Our aim was to study the benefits of cardiac biomarker assessment, in addition to the more commonly used technique, bioimpedance spectroscopy (BIS), and clinical signs for DW prescription in pediatric HD patients.Observational study including 41 children on HD in three pediatric HD centers in the Paris region. During one session, BIS was performed before the session and serum levels of BNP and NT-proBNP were analyzed before and after the session.Median pre-dialysis level of BNP was 87 ng/L [24-192] and NT-proBNP 968 ng/L [442-4828]. Cardiac biomarker levels showed positive correlation with the BIS hydration status evaluation (p = 0.004). The most appropriate cutoff for pre-dialysis BNP to detect significant overhydration (OH) was 165 ng/L (sensitivity 0.67, specificity 0.84). Based on the BIS evaluation, only 32% of patients with high blood pressure (BP) had OH, whereas in the normal BP group, 33% had significant OH.DW prescription for children on HD should not only rely on clinical evaluation, particularly BP, but should also include additional helpful parameters. BIS is well-validated in children, but it has limitations in non-cooperative patients, and its cost can limit its use in some settings. Cardiac biomarkers, especially BNP, were well-correlated to hydration status evaluated by BIS, and thus could add valuable information for individual patient management and DW assessment. A higher resolution version of the Graphical abstract is available as Supplementary information.

Published
2021

8. A diagnostic dilemma in a boy with lupus and dyspnea: Questions

Author

Guillaume Dorval, Nathalie Biebuyck-Gougé, Henri Giniès, Brigitte Bader-Meunier, Romain Berthaud, Olivia Boyer, Alice Hadchouel, Laureline Berteloot, Marina Avramescu, and Marion Rabant

Subjects
Nephrology, medicine.medical_specialty, Systemic lupus erythematosus, business.industry, Internal medicine, Pediatrics, Perinatology and Child Health, medicine, Diagnostic dilemma, business, medicine.disease, Dermatology
Published
2020

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