TY  - RPRT
TI  - Epidural morphine causes delayed and prolonged ventilatory depression.
AU  - R L Knill
AU  - J L Clement
AU  - W R Thompson
PY  - 1981
DO  - 10.1007/bf03007149
UR  - https://pubmed.ncbi.nlm.nih.gov/6796241/
ID  - 6796241
ER  -