TY  - RPRT
TI  - Analgesics and their antagonists: recent developments.
AU  - A F Casy
PY  - 1978
DO  - 10.1007/978-3-0348-7102-0_4
UR  - https://pubmed.ncbi.nlm.nih.gov/360283/
ID  - 360283
ER  -