CONTEXT:Emergency physicians must determine both the location and the severity of acute gastrointestinal bleeding (GIB) to optimize the diagnostic and therapeut...[详情]
BACKGROUND:The need for therapeutic endoscopy in patients with upper GI hemorrhage is important in determining the risk and disposition of these patients. Pre-e...[详情]
一年之计,莫如树谷;十年之计,莫如树木;终身之计,莫如树人。一树一获者,木也;一树百获者,人也。