TY  - GEN
AU  - Armstrong,M E
TI  - Current concepts in pain
SN  - 0001-2092
PY  - 1981///0116
KW  - Endorphins
KW  - biosynthesis
KW  - Enkephalins
KW  - Humans
KW  - Pain
KW  - classification
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1016/s0001-2092(07)61573-7
ER  -