PT - JOURNAL ARTICLE ED - , TI - Abstracts AID - 10.1136/sti.50.3.244 DP - 1974 Jun 01 TA - The British Journal of Venereal Diseases PG - 244--250 VI - 50 IP - 3 4099 - http://sti.bmj.com/content/50/3/244.short 4100 - http://sti.bmj.com/content/50/3/244.full SO - Br J Vener Dis1974 Jun 01; 50