title: [Physical properties and expectorability of sputum in chronic bronchitis patients].
mesh_terms: D000293:Adolescent; D000328:Adult; D001991:Bronchitis / Q000503:physiopathology*; D002908:Chronic Disease; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D013183:Sputum / Q000502:physiology*
vernacular_title: Fizicheskie svoĭstva i otkharkivaemost' mokroty u bol'nykh khronicheskim bronkhitom.