RT Journal Article SR Electronic T1 Dr Radcliffe and Dr Mindel reply JF Genitourinary Medicine JO Genitourin Med FD BMJ Publishing Group Ltd SP 48 OP 48 DO 10.1136/sti.66.1.48 VO 66 IS 1 YR 1990 UL http://sti.bmj.com/content/66/1/48.1.abstract AB