【摘 要】
:
Non-variceal upper gastrointestinal bleeding(UGIB) is defined as bleeding proximal to the ligament of Treitz in the absence of oesophageal, gastric or duodenal
【机 构】
:
DepartmentofGastroenterology
【出 处】
:
World Journal of Gastrointestinal Pharmacology and Therapeut