PT - JOURNAL ARTICLE ED - , TI - Abstracts AID - 10.1136/sti.33.3.200 DP - 1957 Sep 01 TA - The British Journal of Venereal Diseases PG - 200--204 VI - 33 IP - 3 4099 - http://sti.bmj.com/content/33/3/200.short 4100 - http://sti.bmj.com/content/33/3/200.full SO - Br J Vener Dis1957 Sep 01; 33