TY - JOUR T1 - Reply JF - Gut JO - Gut SP - 910 LP - 911 DO - 10.1136/gut.25.8.910 VL - 25 IS - 8 AU - Ingvar Bjarnason AU - T J Peters Y1 - 1984/08/01 UR - http://gut.bmj.com/content/25/8/910.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -