However, the analgesic effects of acupuncture and morphine were not reversed by naloxone microinjected into the amygdala or the mesencephalic reticular formation. 2 .
A study on the chromatographic behaviours of codeine, morphine, papaverine, narcotine, cannabidiol, tetrahydrocannbinol, cannbinol and diacetyl morphine on wide bore capillary column in presented.