TY  - RPRT
TI  - [Morphine self-administration added to food conditioning: methodological variant in rats].
AU  - M Leinot
AU  - M Basiez
AU  - F Roche
AU  - C Labrid
PY  - 1977
UR  - https://pubmed.ncbi.nlm.nih.gov/145282/
ID  - 145282
ER  -