@misc{indiciae5a6b1cef7e6b,
  title = {Changes in trial parameters.},
  author = {W D Schwieterman and K D Weiss and J Tiwari and J P Siegel},
  year = {2001},
  doi = {10.1016/s0140-6736(05)71764-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/11214164/},
  note = {Source identifier: 11214164}
}