PT - JOURNAL ARTICLE AU - D J Wright AU - A S Grimble TI - Why is the infectious stage of syphilis prolonged? AID - 10.1136/sti.50.1.45 DP - 1974 Feb 01 TA - The British Journal of Venereal Diseases PG - 45--49 VI - 50 IP - 1 4099 - http://sti.bmj.com/content/50/1/45.short 4100 - http://sti.bmj.com/content/50/1/45.full SO - Br J Vener Dis1974 Feb 01; 50