TY - JOUR T1 - Reply JF - Gut JO - Gut SP - 446 LP - 446 DO - 10.1136/gut.37.3.446 VL - 37 IS - 3 AU - S Khulusi AU - M A Mendali AU - P Patel AU - T C Northfield Y1 - 1995/09/01 UR - http://gut.bmj.com/content/37/3/446.1.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -