TY  - RPRT
TI  - Drug economics in developing countries.
AU  - J I Litvack
AU  - D S Shepard
AU  - J D Quick
PY  - 1990
DO  - 10.1016/0140-6736(90)90199-f
UR  - https://pubmed.ncbi.nlm.nih.gov/1967375/
ID  - 1967375
ER  -