TY  - RPRT
TI  - Operation, anesthesia, and the endorphin system.
AU  - D B Carr
AU  - M T Murphy
PY  - 1988
DO  - 10.1097/00004311-198802630-00005
UR  - https://pubmed.ncbi.nlm.nih.gov/2844678/
ID  - 2844678
ER  -