Roentgen evaluation of the dilated stomach and its contents in the differential diagnosis of pyloric obstruction.
D003937:Diagnosis, Differential; D004381:Duodenal Ulcer / Q000000981:diagnostic imaging*; D006801:Humans; D011707:Pyloric Stenosis / Q000000981:diagnostic imaging*; D011859:Radiography; D013272:Stomach Diseases / Q000000981:diagnostic imaging*; D013274:Stomach Neoplasms / Q000000981:diagnostic imaging*