Ramírez, Germán. “Púrpura Anafilactoide (Púrpura De Henosch-Schönlein)”. Colombia Medica 6, no. 2 (June 24, 1975): 37–41. Accessed December 8, 2025. http://colombiamedica.univalle.edu.co/index.php/comedica/article/view/2686.