title: [Characteristics of the elimination of non-volatile substances with expired air in patients with chronic bronchitis].
mesh_terms: D000293:Adolescent; D000328:Adult; D001944:Breath Tests; D001991:Bronchitis / Q000503:physiopathology*; D002908:Chronic Disease; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012119:Respiration; D013183:Sputum
vernacular_title: Osobennosti vyvedeniia neletuvhikh veshchestv s vydykhaemym vozdukhom u bol'nykh khronicheskim bronkhitom.