TY - JOUR T1 - Reply JF - Gut JO - Gut SP - 424 LP - 424 DO - 10.1136/gut.33.3.424-a VL - 33 IS - 3 AU - P Burman AU - S Mårdh AU - L Lööf AU - J Naesdal AU - F A Karlsson Y1 - 1992/03/01 UR - http://gut.bmj.com/content/33/3/424.2.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -