@misc{indiciaedb147a510f7c,
  title = {Sample size estimation for randomized pre-post designs.},
  author = {J E Overall and R R Starbuck},
  year = {1979},
  doi = {10.1016/0022-3956(79)90006-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/430441/},
  note = {Source identifier: 430441}
}