PT - JOURNAL ARTICLE AU - Garr, David R. TI - Gastroenterology and Hepatology: Clinical Medicine Series AID - 10.3122/15572625-13-3-231a DP - 2000 May 01 TA - The Journal of the American Board of Family Practice PG - 231--231 VI - 13 IP - 3 4099 - http://www.jabfm.org/content/13/3/231.1.short 4100 - http://www.jabfm.org/content/13/3/231.1.full SO - J Am Board Fam Med2000 May 01; 13