[Study of double contrast of the anterior wall of the stomach by injection of small amount of air].
D000388:Air; D003287:Contrast Media; D005753:Gastric Mucosa / Q000000981:diagnostic imaging*; D006801:Humans; D011859:Radiography; D013272:Stomach Diseases / Q000000981:diagnostic imaging*; D013274:Stomach Neoplasms / Q000000981:diagnostic imaging
D003287:Contrast Media