[Organization of follow-up fluorography of the Leningrad population].
D005500:Follow-Up Studies; D006801:Humans; D008171:Lung Diseases / Q000000981:diagnostic imaging; D008400:Mass Chest X-Ray / Q000379:methods / Q000458:organization & administration*; D012426:Russia; D014505:Urban Population
Organizatsiia proverochnoĭ fliuorografii naseleniia v Leningrade.