title: [Letter: A gastroscopied x-ray material].
mesh_terms: D003287:Contrast Media; D005773:Gastroscopy; D006801:Humans; D011706:Pyloric Antrum / Q000000981:diagnostic imaging*; D011859:Radiography
chemical_list: D003287:Contrast Media
vernacular_title: Et gastroskoperet röntgenmateriale.