TY - CHAP M1 - Book, Section TI - Chapter 91. Upper Gastrointestinal Disorders A1 - Pilotto, Alberto A1 - Franceschi, Marilisa A2 - Halter, Jeffrey B. A2 - Ouslander, Joseph G. A2 - Tinetti, Mary E. A2 - Studenski, Stephanie A2 - High, Kevin P. A2 - Asthana, Sanjay PY - 2009 T2 - Hazzard's Geriatric Medicine and Gerontology, 6e AB - SN - PB - The McGraw-Hill Companies CY - New York, NY Y2 - 2022/05/16 UR - accessmedicine.mhmedical.com/content.aspx?aid=5128375 ER -