@misc{indiciae902538594895,
  title = {The magpie trial.},
  author = {Barry N J Walters and Dorothy Graham and Dale Hamilton},
  year = {2002},
  doi = {10.1016/s0140-6736(02)11322-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/12414228/},
  note = {Source identifier: 12414228}
}