@misc{indiciae998e137e1630,
  title = {Randomization-based methods for correcting for treatment changes: examples from the Concorde trial.},
  author = {I R White and A G Babiker and S Walker and J H Darbyshire},
  year = {1999},
  doi = {10.1002/(sici)1097-0258(19991015)18:19<2617::aid-sim187>3.0.co;2-e},
  url = {https://pubmed.ncbi.nlm.nih.gov/10495460/},
  note = {Source identifier: 10495460}
}