title: Lower gastrointestinal bleeding.
authors.affiliation: Department of Medicine, Division of Digestive and Liver Disease, University of Texas Southwestern Medical Center, Dallas, Texas 75390-8887, USA. don.rockey@utsouthwestern.edu
authors.forename: Don C
authors.initials: DC
authors.lastname: Rockey
mesh_terms: D000208:Acute Disease; D000368:Aged; D003113:Colonoscopy; D005767:Gastrointestinal Diseases / Q000139:chemically induced / Q000150:complications / Q000175:diagnosis; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis* / Q000209:etiology*; D006801:Humans; D008297:Male; D011379:Prognosis