@misc{indiciae9ad90555aa09,
  title = {The molecular perspective: morphine.},
  author = {David S Goodsell},
  year = {2004},
  doi = {10.1634/theoncologist.9-6-717},
  url = {https://pubmed.ncbi.nlm.nih.gov/15561815/},
  note = {Source identifier: 15561815}
}