@misc{indiciaecc6b70085bd3,
  title = {A quantifying grid for the Cavidrill training aid.},
  author = {J D Hardison and T M Skeeters},
  year = {1988},
  url = {https://pubmed.ncbi.nlm.nih.gov/3269586/},
  note = {Source identifier: 3269586}
}