@misc{indiciaecfa0961016e9,
  title = {Optometric utilization of objective, standardized, perceptual tests.},
  author = {S Groffman},
  year = {1971},
  doi = {10.1097/00006324-197110000-00004},
  url = {https://pubmed.ncbi.nlm.nih.gov/4939221/},
  note = {Source identifier: 4939221}
}