Early roentgen diagnosis in massive bleeding from the upper gastrointestinal tract.  I.  Clinical evaluation of safety and reliability of the method in 123 patients.
D006471:Gastrointestinal Hemorrhage; D041981:Gastrointestinal Tract; D006470:Hemorrhage; D015203:Reproducibility of Results; D041742:Upper Gastrointestinal Tract
GASTROINTESTINAL SYSTEM/hemorrhage