PT - JOURNAL ARTICLE ED - , TI - Abstracts AID - 10.1136/sti.51.3.217 DP - 1975 Jun 01 TA - The British Journal of Venereal Diseases PG - 217--220 VI - 51 IP - 3 4099 - http://sti.bmj.com/content/51/3/217.short 4100 - http://sti.bmj.com/content/51/3/217.full SO - Br J Vener Dis1975 Jun 01; 51