[Effect of difficult nasal respiration on the function of external respiration in patients older than 50 years].
D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009668:Nose Diseases / Q000503:physiopathology*; D012129:Respiratory Function Tests; D012131:Respiratory Insufficiency / Q000503:physiopathology*; D012852:Sinusitis / Q000503:physiopathology*
Vliianie zatrudneniia nosovogo dykhaniia na funktsiiu vneshnego dykhaniia u bol'nykh starshe 50 let.