[Modification of Welin's method of enema with double contrast].
D001466:Barium Sulfate; D003287:Contrast Media; D005767:Gastrointestinal Diseases / Q000000981:diagnostic imaging*; D006801:Humans; D007414:Intestinal Neoplasms / Q000000981:diagnostic imaging*; D011859:Radiography
D003287:Contrast Media; D001466:Barium Sulfate
Modificación al método de Welin de enema con doble contraste.