Quantitative comparison of dextromethorphan hydrobromide and codeine.
D003061:Codeine / Q000627:therapeutic use*; D003371:Cough / Q000628:therapy*; D003915:Dextromethorphan; D006801:Humans; D009022:Morphine Derivatives
D009022:Morphine Derivatives; D003915:Dextromethorphan; D003061:Codeine
CODEINE/therapeutic use; COUGH/therapy; MORPHINE/derivatives