LAPAROTOMY FOR UNDIAGNOSED GASTRIC LESIONS.
D000005:Abdomen; D000006:Abdomen, Acute; D003933:Diagnosis; D006471:Gastrointestinal Hemorrhage; D006470:Hemorrhage; D006801:Humans; D007813:Laparotomy; D013274:Stomach Neoplasms; D013276:Stomach Ulcer
ABDOMEN, ACUTE; DIAGNOSIS; HEMORRHAGE, GASTROINTESTINAL; LAPAROTOMY; STOMACH NEOPLASMS; STOMACH ULCER