title: [CONTRIBUTION TO THE PROBLEM OF THE FLATNESS OF THE GALLBLADDER SHADOW IN THE CHOLECYSTOGRAM].
mesh_terms: D002765:Cholecystography; D005704:Gallbladder; D006801:Humans
keywords: CHOLECYSTOGRAPHY
vernacular_title: EIN BEITRAG ZUR FRAGE DER FLAECHE DES GALLENBLASENSCHATTENS IM CHOLEZYSTOGRAPHISCHEN BILD.