Griffin, T; Tooher, R; Nowakowski, K; Lloyd, M; Maddern, G (2005). “How Little is Enough? The Evidence for Post-Vasectomy Testing”. The Journal of Urology174 (1): 29–36. doi:10.1097/01.ju.0000161595.82642.fc. PMID15947571.
Leslie TA; Illing RO; Cranston DW (2007). “The incidence of chronic scrotal pain after vasectomy: a prospective audit”. BJU Int100 (6): 1330–3. doi:10.1111/j.1464-410X.2007.07128.x. PMID17850378.
Christensen, R. E.; Maples, D. C. (2005). “Postvasectomy Semen Analysis: Are Men Following Up?”. The Journal of the American Board of Family Medicine18 (1): 44–47. doi:10.3122/jabfm.18.1.44. PMID15709063.
Griffin, T; Tooher, R; Nowakowski, K; Lloyd, M; Maddern, G (2005). “How Little is Enough? The Evidence for Post-Vasectomy Testing”. The Journal of Urology174 (1): 29–36. doi:10.1097/01.ju.0000161595.82642.fc. PMID15947571.
Leslie TA; Illing RO; Cranston DW (2007). “The incidence of chronic scrotal pain after vasectomy: a prospective audit”. BJU Int100 (6): 1330–3. doi:10.1111/j.1464-410X.2007.07128.x. PMID17850378.
Christensen, R. E.; Maples, D. C. (2005). “Postvasectomy Semen Analysis: Are Men Following Up?”. The Journal of the American Board of Family Medicine18 (1): 44–47. doi:10.3122/jabfm.18.1.44. PMID15709063.