Henoch-Schönlein Purpura (Childhood Immunoglobulin A Vasculitis) Caused by Dental Infection in One of Fraternal Twins: A Case Report. Acta Med Philipp [Internet]. 2022 Sep. 29 [cited 2025 May 3];56(17). Available from: https://actamedicaphilippina.upm.edu.ph/index.php/acta/article/view/2185