|Codeine is methyl-morphine|
So it was with a certain joy that I read
- Committee on Drugs, American Academy of Pediatrics. Use of codeine-and dextromethorphan-containing cough remedies in children. Pediatrics 1997;99:918-20
- Herbert ME, Brewster GS. Myth: codeine is an effective cough suppressant for upper respiratory tract infections. West J Med 2000;173:283.