@misc{indiciae1161cde05a17, title = {The effect of methamphetamine on operant level and avoidance behavior.}, author = {T Verhave}, year = {1958}, doi = {10.1901/jeab.1958.1-207}, url = {https://pubmed.ncbi.nlm.nih.gov/16811221/}, note = {Source identifier: 16811221} }