TY - JOUR AU - Peery, A F; Dellon, E S; Lund, J TI - Burden of gastrointestinal disease in the United States: 2012 update JO - Gastroenterology VL - 143 PY - 2012 DO - 10.1053/j.gastro.2012.08.002 L3 - PubMed-ID: 22885331 SP - 1179 EP - 1187 N1 - et al. ER -