Marcos-Pinto, Ana, Luís Soares-de-Almeida, and João Borges-Costa. “Single Papule on the Penis”. Journal of the Portuguese Society of Dermatology and Venereology 75, no. 1 (April 17, 2017): 97-98. Accessed April 27, 2024. https://revista.spdv.com.pt/index.php/spdv/article/view/726.