Therapeutic endoscopy and bleeding ulcers. Clinical risk factors.
Peterson
W L
WL
Department of Veterans Affairs Medical Center, Department of Internal Medicine, Dallas, Texas 75216.
D006801:Humans; D010438:Peptic Ulcer Hemorrhage / Q000401:mortality*; D011379:Prognosis; D012307:Risk Factors; D014481:United States / Q000453:epidemiology