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