@misc{indiciae3bec1e79cac5, title = {Morphine conditioned place preference in the hamster.}, author = {P Schnur and J Morrell}, year = {1990}, doi = {10.1016/0091-3057(90)90353-j}, url = {https://pubmed.ncbi.nlm.nih.gov/2080198/}, note = {Source identifier: 2080198} }