Almeida, Filipa Tavares, Filomena Azevedo, and Carmen Lisboa. “Syphilitic Balanitis of Follmann: Laboratory Pitfalls”. Journal of the Portuguese Society of Dermatology and Venereology 78, no. 3 (September 27, 2020): 265-268. Accessed April 18, 2024. https://revista.spdv.com.pt/index.php/spdv/article/view/1199.