Liyanage, M.L.P.M; Udawatte, C.P; Hathurusinghe, L.S
(Sabaragamuwa University of Sri Lanka, 2019-11-15)
The opium classes of narcotic drugs are considered not only as the most potent and clinically
useful agents causing depression of central nervous system, but also as very strong analgesics.
Morphine and morphine- like ...