[Primary lung cancer and possibilities of its early diagnosis by means of mass fluorography].
D000367:Age Factors; D003951:Diagnostic Errors; D005471:Fluoroscopy; D006801:Humans; D008175:Lung Neoplasms / Q000000981:diagnostic imaging / Q000517:prevention & control*; D008297:Male; D008400:Mass Chest X-Ray; D008875:Middle Aged; D011379:Prognosis; D012737:Sex Factors; D013997:Time Factors
Pervichnyĭ rak legkogo i vozmozhnosti ranneĭ ego diagnostiki s pomoshch'iu massovoĭ fliuorografii