TY - CHAP M1 - Book, Section TI - Gastrointestinal Bleeding A1 - Rozenfeld, Ranna A. PY - 2018 T2 - The PICU Handbook AB - Gastrointestinal (GI) bleeding is categorized into upper GI bleed (UGIB), bleeding from a source proximal to the ligament of Treitz, and lower GI bleed (LGIB) occurring distal to this duodenojejunal junction point. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/03/28 UR - accesspediatrics.mhmedical.com/content.aspx?aid=1152488942 ER -