TY  - RPRT
TI  - Endogenous opiates and behavior: 2001.
AU  - Richard J Bodnar
AU  - Maria M Hadjimarkou
PY  - 2002
DO  - 10.1016/s0196-9781(02)00306-6
UR  - https://pubmed.ncbi.nlm.nih.gov/12535711/
ID  - 12535711
ER  -