title: [On the problem of the frequency of disorders of respiratory function in patients with chronic bronchitis in the outpatient department of a polyclinic].
mesh_terms: D000368:Aged; D001991:Bronchitis / Q000150:complications*; D002908:Chronic Disease; D005260:Female; D005860:Germany, West; D006801:Humans; D008297:Male; D008875:Middle Aged; D012129:Respiratory Function Tests; D012131:Respiratory Insufficiency / Q000209:etiology*
vernacular_title: Zur Frage der Häufigkeit von Störungen der respiratorischen Funktion bei chronischen Bronchitikern in der poliklinischen Ambulanz.