@misc{indiciae81a5d66182ad,
  title = {Methadone conformation and opioid activity.},
  author = {W L Duax and G D Smith and J F Griffin and P S Portoghese},
  year = {1983},
  doi = {10.1126/science.6301007},
  url = {https://pubmed.ncbi.nlm.nih.gov/6301007/},
  note = {Source identifier: 6301007}
}