title: [Use of x-ray diagnosis in non-organic tumors of the retroperitoneal space].
mesh_terms: D006801:Humans; D007420:Intestine, Large / Q000000981:diagnostic imaging; D008722:Methods; D010690:Phlebography; D011028:Pneumoperitoneum, Artificial; D012186:Retroperitoneal Neoplasms / Q000000981:diagnostic imaging*; D012187:Retroperitoneal Space; D013270:Stomach / Q000000981:diagnostic imaging; D014567:Urography; D014682:Vena Cava, Inferior / Q000000981:diagnostic imaging
vernacular_title: Nekotorye voprosy ispol 'zovaniia rentgenologicheskikh metodov v raspoznavanii neorgannykh opukholeĭ zabruiushinnogo prostranstva.