@misc{indiciaec802be54a055,
  title = {A second professional examination for optometrists.},
  author = {C C Koch},
  year = {1968},
  doi = {10.1097/00006324-196801000-00005},
  url = {https://pubmed.ncbi.nlm.nih.gov/5237222/},
  note = {Source identifier: 5237222}
}