title: Early roentgenologic evaluation in patients with upper gastrointestinal hemorrhage; report of 58 cases.
authors.forename: R A
authors.initials: RA
authors.lastname: ELMER
authors.forename: A A
authors.initials: AA
authors.lastname: ROUSUCK
authors.forename: J M
authors.initials: JM
authors.lastname: RYAN
mesh_terms: D004064:Digestive System; D006471:Gastrointestinal Hemorrhage; D006801:Humans