TY - JOUR T1 - Reply to both letters JF - Gut JO - Gut SP - 1150 LP - 1150 DO - 10.1136/gut.34.8.1150-c VL - 34 IS - 8 AU - P Rutgeerts Y1 - 1993/08/01 UR - http://gut.bmj.com/content/34/8/1150.4.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -