TY  - RPRT
TI  - Changes in morphine self-administration after brainstem lesions in rats.
AU  - S D Glick
AU  - R D Cox
PY  - 1977
DO  - 10.1007/bf00439102
UR  - https://pubmed.ncbi.nlm.nih.gov/407598/
ID  - 407598
ER  -