1. The numbers in brackets indicate the pages in the present study, on which the references are quoted
2. A newly identified metabolic product of codeine; N-demethylated codeine;Adler;J. Pharmacol.,1952
3. Morphine levels after codeine administration in the rat;Adler;Fed. Proc.,1962
4. The comparative potencies of codeine and its demethylated metabolites after intraventricular injection in the mouse;Adler;J. Pharmacol.,1963
5. Demethylation of C14-labelled codeine in the rat;Adler;Proc. Soc. Exper. Biol. Med.,1950