TY - JOUR T1 - Reply JF - Gut JO - Gut SP - 1675 LP - 1675 DO - 10.1136/gut.35.11.1675-a VL - 35 IS - 11 AU - I M C Macintyre Y1 - 1994/11/01 UR - http://gut.bmj.com/content/35/11/1675.2.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -