Bonifazi, E. “Urticaria With Pseudoarthritis Henoch-Schoenlein Purpura”. European Journal of Pediatric Dermatology 27, no. 1 (March 31, 2017): 4–5. Accessed September 9, 2026. https://ejpd.migration.pkpps03.publicknowledgeproject.org/index.php/journal/article/view/1304.