@misc{indiciaebccb0d398182,
  title = {Pain: heroin versus morphine.},
  author = {M H Tattersall},
  year = {1981},
  doi = {10.5694/j.1326-5377.1981.tb135754.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/6166841/},
  note = {Source identifier: 6166841}
}