@misc{indiciae9dea2b14d0a7,
  title = {Free fall.},
  author = {Gena Kay McKinley},
  year = {2006},
  doi = {10.7326/0003-4819-145-5-200609050-00014},
  url = {https://pubmed.ncbi.nlm.nih.gov/16954363/},
  note = {Source identifier: 16954363}
}