@misc{indiciae5a06e51f1e26,
  title = {Observational versus randomised trial evidence.},
  author = {Daniel J Brotman},
  doi = {10.1016/s0140-6736(04)16929-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/15337397/},
  note = {Source identifier: 15337397}
}