title: [PYELOSINUS REFLUX IN EXCRETORY UROGRAPHIES].
mesh_terms: D003287:Contrast Media; D005764:Gastroesophageal Reflux; D006801:Humans; D007682:Kidney Pelvis; D014567:Urography
chemical_list: D003287:Contrast Media
keywords: CONTRAST MEDIA; KIDNEY PELVIS; UROGRAPHY