@misc{indiciae4fd51bb2af8d,
  title = {Protocols for clinical trials.},
  author = {P Crawford},
  year = {1990},
  doi = {10.7748/ns.4.26.12.s69},
  url = {https://pubmed.ncbi.nlm.nih.gov/2342625/},
  note = {Source identifier: 2342625}
}