[System of determining the degree of activity of chronic pneumonia based on factor analysis].
D002908:Chronic Disease; D005163:Factor Analysis, Statistical / Q000379:methods*; D006801:Humans; D008433:Mathematics; D011014:Pneumonia / Q000503:physiopathology*
Sistema opredeleniia stepeni aktivnosti khronicheskoĭ pnevmonii na osnove faktornogo analiza