PT - JOURNAL ARTICLE ED - , TI - Abstracts AID - 10.1136/sti.56.3.186 DP - 1980 Jun 01 TA - The British Journal of Venereal Diseases PG - 186--191 VI - 56 IP - 3 4099 - http://sti.bmj.com/content/56/3/186.short 4100 - http://sti.bmj.com/content/56/3/186.full SO - Br J Vener Dis1980 Jun 01; 56