TY - JOUR T1 - Duodenal ulcer in black populations in Africa south of the Sahara. JF - Gut JO - Gut SP - 564 LP - 576 DO - 10.1136/gut.16.7.564 VL - 16 IS - 7 AU - F I Tovey AU - M Tunstall Y1 - 1975/07/01 UR - http://gut.bmj.com/content/16/7/564.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -