RT Journal Article SR Electronic T1 Cervical cytology and colposcopy in clinics for sexually transmitted diseases--when are they appropriate? JF Genitourinary Medicine JO Genitourin Med FD BMJ Publishing Group Ltd SP 396 OP 397 DO 10.1136/sti.72.6.396 VO 72 IS 6 A1 Wilson, J D YR 1996 UL http://sti.bmj.com/content/72/6/396.abstract AB