@misc{indiciae118cd29fa9e6,
  title = {Postmarketing surveillance studies.},
  author = {A P Fletcher},
  year = {1992},
  doi = {10.1136/bmj.305.6847.257-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/1392849/},
  note = {Source identifier: 1392849}
}