[Role of external environmental factors in the genesis of chronic pneumonia].
D000397:Air Pollution; D002908:Chronic Disease; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009031:Moscow; D011014:Pneumonia; D012621:Seasons
Rol' faktorov vneshneĭ sredy v vozniknovenii khronicheskoĭ pnevmonii.