PT - JOURNAL ARTICLE ED - , TI - Abstracts AID - 10.1136/sti.34.1.60 DP - 1958 Mar 01 TA - The British Journal of Venereal Diseases PG - 60--68 VI - 34 IP - 1 4099 - http://sti.bmj.com/content/34/1/60.short 4100 - http://sti.bmj.com/content/34/1/60.full SO - Br J Vener Dis1958 Mar 01; 34