TY  - RPRT
TI  - Morphine/dextromethorphan--Endo: E 3231, Morphidex.
PY  - 2003
DO  - 10.2165/00126839-200304010-00010
UR  - https://pubmed.ncbi.nlm.nih.gov/12568639/
ID  - 12568639
ER  -