Antitussive properties of morpholinethyl-morphine (pholcodine).
D000996:Antitussive Agents; D003061:Codeine / Q000031:analogs & derivatives; D003371:Cough; D009022:Morphine Derivatives; D009025:Morpholines
D000996:Antitussive Agents; D009022:Morphine Derivatives; D009025:Morpholines; C008872:pholcodine; D003061:Codeine
COUGH/experimental; MORPHINE/related compounds