[Experience in the conduct of mass fluorography in Leningrad].
D006801:Humans; D008171:Lung Diseases / Q000000981:diagnostic imaging; D008400:Mass Chest X-Ray; D012426:Russia; D014397:Tuberculosis, Pulmonary / Q000517:prevention & control*
Opyt provedeniia massovoĭ fliuorografii v Leningrade.