Comparative investigation of Libexin and Hydrocodin.
D000328:Adult; D000996:Antitussive Agents / Q000627:therapeutic use*; D001982:Bronchial Diseases; D003371:Cough / Q000188:drug therapy*; D005100:Expectorants / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged
D000996:Antitussive Agents; D005100:Expectorants