Lucon, M., Lucon, A. M., Pasqualoto, F. F. and Srougi, M. (2007) “Paternity after vasectomy with two previous semen analyses without spermatozoa”, São Paulo Medical Journal, 125(2), pp. 122–123. Available at: https://periodicosapm.emnuvens.com.br/spmj/article/view/2075 (Accessed: 10 March 2025).