RT Journal Article SR Electronic T1 Prodromal symptoms in genital herpes simplex infection. JF Genitourinary Medicine JO Genitourin Med FD BMJ Publishing Group Ltd SP 347 OP 348 DO 10.1136/sti.68.5.347 VO 68 IS 5 A1 J L Brookes A1 S Haywood A1 J Green YR 1992 UL http://sti.bmj.com/content/68/5/347.abstract AB