@misc{indiciae10c73046f8c9,
  title = {Time unit system of fee setting.},
  author = {D M Jagger and B J May},
  year = {1976},
  doi = {10.1093/ptj/56.5.536},
  url = {https://pubmed.ncbi.nlm.nih.gov/817336/},
  note = {Source identifier: 817336}
}