@misc{indiciaed91f709f231a,
  title = {The effect of visual training upon the visual efficiency score.},
  author = {L MANAS},
  year = {1961},
  doi = {10.1097/00006324-196109000-00004},
  url = {https://pubmed.ncbi.nlm.nih.gov/13766015/},
  note = {Source identifier: 13766015}
}