@misc{indiciae673f0a632b7c,
  title = {Power, sample size and smallest detectable effect determination for multivariate studies.},
  author = {S Greenland},
  doi = {10.1002/sim.4780040203},
  url = {https://pubmed.ncbi.nlm.nih.gov/4023473/},
  note = {Source identifier: 4023473}
}