TY - JOUR T1 - Gastroenterology and Hepatology: Clinical Medicine Series JF - The Journal of the American Board of Family Practice JO - J Am Board Fam Med SP - 231 LP - 231 DO - 10.3122/15572625-13-3-231a VL - 13 IS - 3 AU - David R. Garr Y1 - 2000/05/01 UR - http://www.jabfm.org/content/13/3/231.1.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -