TY - JOUR T1 - Abstracts JF - The British Journal of Venereal Diseases JO - Br J Vener Dis SP - 148 LP - 153 DO - 10.1136/sti.53.2.148 VL - 53 IS - 2 A2 - , Y1 - 1977/04/01 UR - http://sti.bmj.com/content/53/2/148.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -