PT - JOURNAL ARTICLE AU - Rodrigues, M M TI - Cell-wall defective variants of Treponema pallidum. AID - 10.1136/sti.49.3.227 DP - 1973 Jun 01 TA - The British Journal of Venereal Diseases PG - 227--238 VI - 49 IP - 3 4099 - http://sti.bmj.com/content/49/3/227.short 4100 - http://sti.bmj.com/content/49/3/227.full SO - Br J Vener Dis1973 Jun 01; 49