@misc{indiciae6950b0415e89,
  title = {Within trial variation--a false trail?},
  author = {D G Altman},
  year = {1998},
  doi = {10.1016/s0895-4356(98)00005-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/9539885/},
  note = {Source identifier: 9539885}
}