TY  - GEN
AU  - Ecoffey,C
TI  - Spinal opiates
SN  - 0544-0440
PY  - 1990///0808
KW  - Analgesia, Epidural
KW  - adverse effects
KW  - Humans
KW  - Injections, Spinal
KW  - Morphine
KW  - administration & dosage
N1  - Publication Type: Journal Article; Review
ER  -