RT Journal Article SR Electronic T1 Vasectomy techniques JF Journal of Family Planning and Reproductive Health Care JO J Fam Plann Reprod Health Care FD British Medical Journal Publishing Group SP 172 OP 172 DO 10.1783/147118903101197746 VO 29 IS 3 A1 N K Menon A1 J Kelly A1 J Norton YR 2003 UL http://jfprhc.bmj.com/content/29/3/172.3.abstract AB