RT Journal Article SR Electronic T1 Lecture Notes on Sexually Transmitted Diseases JF The British Journal of Venereal Diseases JO Br J Vener Dis FD BMJ Publishing Group Ltd SP 343 OP 343 DO 10.1136/sti.58.5.343 VO 58 IS 5 A1 Kinghorn, G R YR 1982 UL http://sti.bmj.com/content/58/5/343.1.abstract AB