@misc{indiciae734d0f68571c,
  title = {Statistical concepts in refraction.},
  author = {L Hyams and A Safir},
  year = {1971},
  doi = {10.1097/00004397-197101110-00007},
  url = {https://pubmed.ncbi.nlm.nih.gov/5129702/},
  note = {Source identifier: 5129702}
}