TY  - RPRT
TI  - Avoidance learning enhanced by post-trial morphine injection.
AU  - U Stäubli
AU  - J P Huston
PY  - 1980
DO  - 10.1016/s0163-1047(80)91860-9
UR  - https://pubmed.ncbi.nlm.nih.gov/7406806/
ID  - 7406806
ER  -