@misc{indiciae59ca959a3778, title = {Etonitazene as a reinforcer: oral intake of etonitazene by rhesus monkeys.}, author = {M E Carroll and R A Meisch}, year = {1978}, doi = {10.1007/bf00426626}, url = {https://pubmed.ncbi.nlm.nih.gov/32572/}, note = {Source identifier: 32572} }