RT Journal Article SR Electronic T1 STD diagnostics initiative. JF Genitourinary Medicine JO Genitourin Med FD BMJ Publishing Group Ltd SP 242 DO 10.1136/sti.69.3.242 VO 69 IS 3 A1 S Berkley YR 1993 UL http://sti.bmj.com/content/69/3/242.1.abstract AB