title: [Roentgenological materials on the Russian market].
abstract: The paper outlines the qualitative parameters of radiographic medical films and methods of their evaluation by Russian and foreign experts. A classification of their films is presented. The Russian methods and equipment for film examination do not satisfy the objective testing of up-to-date radiographic materials.
authors.forename: Iu A
authors.initials: IuA
authors.lastname: Breslav
authors.forename: V N
authors.initials: VN
authors.lastname: Larionov
mesh_terms: D003132:Commerce; D005069:Evaluation Studies as Topic; D012015:Reference Standards; D012426:Russia; D014962:X-Ray Film / Q000145:classification* / Q000592:standards