TY  - RPRT
TI  - Differential training sequence effect upon psychostimulant discrimination.
AU  - M D Schechter
PY  - 1993
DO  - 10.1016/0278-5846(93)90051-s
UR  - https://pubmed.ncbi.nlm.nih.gov/8094257/
ID  - 8094257
ER  -