TY - JOUR T1 - Reply JF - Gut JO - Gut SP - 793 LP - 793 DO - 10.1136/gut.38.5.793-a VL - 38 IS - 5 AU - F Parente AU - G Maconi AU - G Bianchi Porro Y1 - 1996/05/01 UR - http://gut.bmj.com/content/38/5/793.2.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -