@misc{indiciae2c85934426aa,
  title = {Propranolol, 14C-morphine accumulation and avoidance: peripheral and central variables.},
  author = {W C Black and W J McBride and H J Grosz},
  doi = {10.1016/0091-3057(75)90196-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/1187732/},
  note = {Source identifier: 1187732}
}