TY  - BOOK
AU  - Jayasuriya, D C.
AU  - Wijeysinghe, F D C
TI  - Essential drugs in Sri Lanka: Regulatory and economic apects
U1  - 615.1 
PY  - 1991///
CY  - Nawala
PB  - institute of comparative halth policy and Law
KW  - Medical Sciences
ER  -