[On the early recognition of patients with primary cancer of the lung].
D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000000981:diagnostic imaging* / Q000401:mortality; D008297:Male; D008875:Middle Aged; D011859:Radiography; D014586:USSR
O svoevremennom vyiavlenii bol'nykh pervićhnym rakom legkogo.