@misc{indiciaec07e6718f2a6,
  title = {Valproate may lower serum-phenytoin.},
  author = {P N Patsalos and P T Lascelles},
  year = {1977},
  doi = {10.1016/s0140-6736(77)91693-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/63694/},
  note = {Source identifier: 63694}
}