TY - JOUR T1 - Beware of TIPPSters. JF - Gut JO - Gut SP - 493 LP - 494 DO - 10.1136/gut.39.3.493 VL - 39 IS - 3 AU - A Gimson Y1 - 1996/09/01 UR - http://gut.bmj.com/content/39/3/493.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -