Ishibuchi, Hirohisa, Akira Shimizu, Izumi Negishi, and Osamu Ishikawa. “A Perianal Erythematous Plaque: A Quiz”. Acta Dermato-Venereologica 94, no. 4 (October 22, 2013): 492–496. Accessed November 13, 2024. https://medicaljournalssweden.se/actadv/article/view/6385.