PT - JOURNAL ARTICLE ED - , TI - Sexually transmitted diseases AID - 10.1136/sti.46.6.502 DP - 1970 Dec 01 TA - The British Journal of Venereal Diseases PG - 502--508 VI - 46 IP - 6 4099 - http://sti.bmj.com/content/46/6/502.short 4100 - http://sti.bmj.com/content/46/6/502.full SO - Br J Vener Dis1970 Dec 01; 46