@misc{indiciaeebd390507b16,
  title = {Delayed visual maturation.},
  author = {R S ILLINGWORTH},
  year = {1961},
  doi = {10.1136/adc.36.188.407},
  url = {https://pubmed.ncbi.nlm.nih.gov/13717539/},
  note = {Source identifier: 13717539}
}