RT Journal Article SR Electronic T1 Open-ended Vasectomy JF The Journal of the American Board of Family Practice JO J Am Board Fam Med FD American Board of Family Medicine SP 77 OP 77 DO 10.3122/jabfm.8.1.77a VO 8 IS 1 A1 Daniel J. David YR 1995 UL http://www.jabfm.org/content/8/1/77.2.abstract AB