TY  - RPRT
TI  - Method for training operant responding and evaluating cocaine self-administration behavior in mutant mice.
AU  - S B Caine
AU  - S S Negus
AU  - N K Mello
PY  - 1999
DO  - 10.1007/s002130051134
UR  - https://pubmed.ncbi.nlm.nih.gov/10591861/
ID  - 10591861
ER  -