title: Simplified double contrast examination of the esophagus.
abstract: A modification of the "straw technic" of Amplatz(1) (used in examination of the stomach and duodenum) is employed as an inexpensive, rapid, and simple method for double contrast examination of the duodenum.
mesh_terms: D000368:Aged; D001466:Barium Sulfate; D004935:Esophageal Diseases / Q000000981:diagnostic imaging; D004938:Esophageal Neoplasms / Q000000981:diagnostic imaging; D004947:Esophagus / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D011859:Radiography
chemical_list: D001466:Barium Sulfate