TY  - RPRT
TI  - Ethanol reinforced behavior assessed with a concurrent schedule.
AU  - T A Roehrs
AU  - H H Samson
PY  - 1981
DO  - 10.1016/0091-3057(81)90204-5
UR  - https://pubmed.ncbi.nlm.nih.gov/7291257/
ID  - 7291257
ER  -