@misc{indiciae83593d1be8f5, title = {Differential training sequence effect upon psychostimulant discrimination.}, author = {M D Schechter}, year = {1993}, doi = {10.1016/0278-5846(93)90051-s}, url = {https://pubmed.ncbi.nlm.nih.gov/8094257/}, note = {Source identifier: 8094257} }