TY - CHAP M1 - Book, Section TI - Pyloric Obstruction A1 - Doherty, Gerard M. PY - 2010 T2 - Quick Answers Surgery AB - • History of symptomatic peptic ulcer disease• Anorexia, vomiting, and failure to gain relief from antacids• Vomitus contains undigested food SN - PB - The McGraw-Hill Companies CY - New York, NY Y2 - 2023/09/22 UR - accesssurgery.mhmedical.com/content.aspx?aid=1004107136 ER -