@misc{indiciae5a612759a8a7,
  title = {The problem of screening children for visual defects.},
  author = {R M Ingram},
  year = {1977},
  doi = {10.1136/bjo.61.1.4},
  url = {https://pubmed.ncbi.nlm.nih.gov/836776/},
  note = {Source identifier: 836776}
}