@misc{indiciae90bb90696c95,
  title = {Letter: Optimum phenytoin-dosage regimens.},
  author = {T M Ludden and D W Hawkins and J P Allen and S F Hoffman},
  year = {1976},
  doi = {10.1016/s0140-6736(76)91441-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/55621/},
  note = {Source identifier: 55621}
}