@misc{indiciaea9674ee40fa2,
  title = {Appropriate intervals for surveillance.},
  author = {S J Winawer},
  year = {1999},
  doi = {10.1016/s0016-5107(99)70528-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/10049451/},
  note = {Source identifier: 10049451}
}