@misc{indiciae1ae114d98bf8,
  title = {Morphine preference in rats previously morphine dependent.},
  author = {S Dai and S C Hui and C W Ogle},
  year = {1984},
  doi = {10.1016/s0031-6989(84)80018-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/6539922/},
  note = {Source identifier: 6539922}
}