RT Journal Article SR Electronic T1 Genital warts and the need for screening. JF Genitourinary Medicine JO Genitourin Med FD BMJ Publishing Group Ltd SP 228 OP 229 DO 10.1136/sti.66.3.228-a VO 66 IS 3 A1 S C Crawshaw A1 M V Haran YR 1990 UL http://sti.bmj.com/content/66/3/228.2.abstract AB