@misc{indiciae8ec363a62af4,
  title = {Incidence or prevalence.},
  author = {R J Smith},
  year = {1989},
  doi = {10.1136/bjo.73.7.481},
  url = {https://pubmed.ncbi.nlm.nih.gov/2788014/},
  note = {Source identifier: 2788014}
}