PT - JOURNAL ARTICLE ED - , TI - Abstracts AID - 10.1136/sti.40.4.280 DP - 1964 Dec 01 TA - The British Journal of Venereal Diseases PG - 280--285 VI - 40 IP - 4 4099 - http://sti.bmj.com/content/40/4/280.short 4100 - http://sti.bmj.com/content/40/4/280.full SO - Br J Vener Dis1964 Dec 01; 40