@misc{indiciaee026bc75feeb,
  title = {Charter mark.},
  author = {S Williams},
  year = {1997},
  doi = {10.7748/ns.12.3.28.s44},
  url = {https://pubmed.ncbi.nlm.nih.gov/9370669/},
  note = {Source identifier: 9370669}
}