[Changes in the external respiration in silicosis patients prior to development of their disease].
D004391:Dust; D006801:Humans; D012119:Respiration; D012829:Silicosis / Q000175:diagnosis / Q000503:physiopathology*; D013997:Time Factors
D004391:Dust
Izmeneniia vneshnego dykhaniia u bol'nykh silikozom do vozniknoveniia ikh zabolevaniia.