@misc{indiciae69e1c32251e0,
  title = {A group sequential approach to crossover trials for average bioequivalence.},
  author = {W W Hauck and P E Preston and F Y Bois},
  year = {1997},
  doi = {10.1080/10543409708835171},
  url = {https://pubmed.ncbi.nlm.nih.gov/9056590/},
  note = {Source identifier: 9056590}
}