@misc{indiciae6c8b3cc28d15,
  title = {St. John's wort: effect on CYP2D6 activity using dextromethorphan-dextrorphan ratios.},
  author = {C A Roby and D A Dryer and A H Burstein},
  year = {2001},
  doi = {10.1097/00004714-200110000-00013},
  url = {https://pubmed.ncbi.nlm.nih.gov/11593081/},
  note = {Source identifier: 11593081}
}