@misc{indiciaeb5f847c79bfe,
  title = {"Pilot" studies.},
  author = {J E Nelson},
  year = {1989},
  doi = {10.7326/0003-4819-111-2-188\_2},
  url = {https://pubmed.ncbi.nlm.nih.gov/2742256/},
  note = {Source identifier: 2742256}
}