[On the therapy of chronic bronchitis].
D000336:Aerosols; D001991:Bronchitis / Q000145:classification / Q000188:drug therapy*; D002908:Chronic Disease; D005100:Expectorants / Q000627:therapeutic use*; D006801:Humans
D000336:Aerosols; D005100:Expectorants
Zur Therapie der chronischen Bronchitis.