TY - JOUR T1 - Abstracts JF - The British Journal of Venereal Diseases JO - Br J Vener Dis SP - 244 LP - 250 DO - 10.1136/sti.50.3.244 VL - 50 IS - 3 A2 - , Y1 - 1974/06/01 UR - http://sti.bmj.com/content/50/3/244.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -