RT Journal Article SR Electronic T1 BULLETIN DE L'UIPVT JF The British Journal of Venereal Diseases JO Br J Vener Dis FD BMJ Publishing Group Ltd SP 72 OP 77 DO 10.1136/sti.41.1.72 VO 41 IS 1 YR 1965 UL http://sti.bmj.com/content/41/1/72.abstract AB