Arruda, Homero Oliveira de, Hudson de Lima, and Valdemar Ortiz. “Human Penile Ossification: Case Report”. São Paulo Medical Journal 125, no. 2 (March 3, 2007): 124–125. Accessed March 9, 2025. https://periodicosapm.emnuvens.com.br/spmj/article/view/2069.