title: [Use of opaque marks for the study of colic transit].
mesh_terms: D003106:Colon / Q000000981:diagnostic imaging* / Q000502:physiology*; D003287:Contrast Media; D006801:Humans; D007854:Lead; D008722:Methods; D011859:Radiography
chemical_list: D003287:Contrast Media; D007854:Lead
vernacular_title: Utilisation de repères opaques pour l'étude du transit colique.