TY - JOUR T1 - The Bulletin of the International Union Against the Venereal Diseases and Treponematoses. JF - Genitourinary Medicine JO - Genitourin Med SP - 41 LP - 42 DO - 10.1136/sti.66.1.41 VL - 66 IS - 1 AU - M A Waugh Y1 - 1990/02/01 UR - http://sti.bmj.com/content/66/1/41.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -