A COMPLEX PEDIATRIC CASE OF RECURRENT SEVERE IGA VASCULITIS WITH MULTISYSTEM INVOLVEMENT: CLINICAL ANALYSIS AND THERAPEUTIC CHALLENGES. World Bulletin of Public Health, [S. l.], v. 47, p. 1–3, 2025. Disponível em: https://www.scholarexpress.net/index.php/wbph/article/view/5245. Acesso em: 17 apr. 2026.