@misc{indiciae4e09cd07385a, title = {Operant behavior changes norepinephrine metabolism in rat brain.}, author = {A J Lewy and L S Seiden}, year = {1972}, doi = {10.1126/science.175.4020.454}, url = {https://pubmed.ncbi.nlm.nih.gov/5007913/}, note = {Source identifier: 5007913} }