title: Radiographic survey for extraluminal air following gastrointestinal tract fiberendoscopy.
mesh_terms: D005336:Fiber Optic Technology; D005740:Gases; D005773:Gastroscopy / Q000009:adverse effects*; D006801:Humans; D007422:Intestines; D011027:Pneumoperitoneum / Q000000981:diagnostic imaging*; D011030:Pneumothorax / Q000000981:diagnostic imaging*; D011859:Radiography; D012812:Sigmoidoscopy / Q000009:adverse effects*; D013270:Stomach
chemical_list: D005740:Gases