RT Journal Article SR Electronic T1 Managing Family Planning in General Practice JF Genitourinary Medicine JO Genitourin Med FD BMJ Publishing Group Ltd SP 327 OP 327 DO 10.1136/sti.73.4.327 VO 73 IS 4 A1 Catherina Thomas YR 1997 UL http://sti.bmj.com/content/73/4/327.abstract AB