@misc{indiciaeefcaa9b65e46,
  title = {Tests for qualitative treatment-by-centre interaction using a 'pushback' procedure.},
  author = {J L Ciminera and J F Heyse and H H Nguyen and J W Tukey},
  year = {1993},
  doi = {10.1002/sim.4780121104},
  url = {https://pubmed.ncbi.nlm.nih.gov/8341864/},
  note = {Source identifier: 8341864}
}