@misc{indiciaed3c934b01005,
  title = {Screening children for visual defects.},
  author = {R M Youngson},
  year = {1977},
  doi = {10.1136/bmj.2.6096.1221-d},
  url = {https://pubmed.ncbi.nlm.nih.gov/589101/},
  note = {Source identifier: 589101}
}