TY - JOUR T1 - Abstracts JF - The British Journal of Venereal Diseases JO - Br J Vener Dis SP - 171 LP - 178 DO - 10.1136/sti.46.2.171 VL - 46 IS - 2 A2 - , Y1 - 1970/04/01 UR - http://sti.bmj.com/content/46/2/171.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -