@misc{indiciae15edf9c806b5,
  title = {Estimating intervention effects in longitudinal studies.},
  author = {J H Dwyer and D P MacKinnon and M A Pentz and B R Flay and W B Hansen and E Y Wang and C A Johnson},
  year = {1989},
  doi = {10.1093/oxfordjournals.aje.a115399},
  url = {https://pubmed.ncbi.nlm.nih.gov/2773920/},
  note = {Source identifier: 2773920}
}