[Expectoration and expectorants in chronic bronchitis].
D001991:Bronchitis / Q000188:drug therapy* / Q000503:physiopathology*; D002908:Chronic Disease; D005100:Expectorants / Q000627:therapeutic use*; D006801:Humans; D013183:Sputum / Q000032:analysis
D005100:Expectorants
Ekspektorat og expectorantia ved kronisk bronkitt.