Diagnostic procedures and health outcomes. Upper gastrointestinal tract investigation in the elderly.
Kelly
M D
MD
Morris
D L
DL
D000368:Aged; D016099:Endoscopy, Gastrointestinal; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D017063:Outcome Assessment, Health Care; D010437:Peptic Ulcer / Q000175:diagnosis / Q000401:mortality