1. Walker K, et al. What’s New in Male Contraception? AUA update series 2021, volume 40, lesson 27.
2. Alderman PM: The lurking sperm. JAMA 1988; 259: 3142.
3. De Los Rios Osorio J and Castro Alvarez EA: Analysis of 5000 vasectomies in a family planning centre in Medellin- Colombia. Arch Esp Urol 2003; 56: 53.
4. Leslie TA, Illing RO, Cranston DW et al: The incidence of chronic scrotal pain after vasectomy: a prospective audit. BJU Int 2007; 100: 1330