TY  - RPRT
TI  - Frequent reward eliminates differences in activity between hyperkinetic rats and controls.
AU  - T Sagvolden
AU  - M A Metzger
AU  - G Sagvolden
PY  - 1993
DO  - 10.1016/0163-1047(93)90986-r
UR  - https://pubmed.ncbi.nlm.nih.gov/8503827/
ID  - 8503827
ER  -