@misc{indiciae30819f8feb85,
  title = {Testing for hypermetropia in the school vision screening programme.},
  author = {L Köhler and G Stigmar},
  year = {1981},
  doi = {10.1111/j.1755-3768.1981.tb03002.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/7324885/},
  note = {Source identifier: 7324885}
}