@misc{indiciae085d1fdfc6f6,
  title = {Liquid chromatographic system for separating opium alkaloids.},
  author = {T H Beasley and D W Smith and H W Ziegler and R L Charles},
  year = {1974},
  url = {https://pubmed.ncbi.nlm.nih.gov/4814332/},
  note = {Source identifier: 4814332}
}