The clinical evaluation of a new sustained-release antitussive of low narcotic content.
D000996:Antitussive Agents; D003371:Cough / Q000628:therapy*; D003692:Delayed-Action Preparations; D009294:Narcotics
D000996:Antitussive Agents; D003692:Delayed-Action Preparations; D009294:Narcotics
COUGH/therapy