Heyne, Stefanie, Bodo Hägele, Stefan Beissert, and Claudia Günther. “Linear Hyperkeratotic Papules on Extremities Together With Oral Ulcers: A Quiz”. Acta Dermato-Venereologica 99, no. 10 (June 13, 2019): 939–940. Accessed November 28, 2024. https://medicaljournalssweden.se/actadv/article/view/3280.