@misc{indiciae395e6cf46c1f,
  title = {Appointment systems.},
  author = {M D Wilkinson},
  year = {1989},
  doi = {10.1038/sj.bdj.4806873},
  url = {https://pubmed.ncbi.nlm.nih.gov/2757861/},
  note = {Source identifier: 2757861}
}