@misc{indiciaef514b35042a5,
  title = {Research study designs: non-experimental.},
  author = {Cheryl Bagley Thompson and Edward A Panacek},
  doi = {10.1016/j.amj.2006.10.003},
  url = {https://pubmed.ncbi.nlm.nih.gov/17210489/},
  note = {Source identifier: 17210489}
}