title: [Expectorants: an expensive, mostly ineffective therapy of chronic cough].
mesh_terms: D001980:Bronchi / Q000187:drug effects; D002908:Chronic Disease; D003371:Cough / Q000188:drug therapy*; D005100:Expectorants / Q000627:therapeutic use*; D006801:Humans; D009079:Mucociliary Clearance / Q000187:drug effects
chemical_list: D005100:Expectorants
vernacular_title: Expektorantien: eine teure, meist unwirksame Therapie des chronischen Hustens.