@misc{indiciae8180e2f81005,
  title = {Asthenopia and orthoptics.},
  author = {W SMITH},
  year = {1961},
  doi = {10.1097/00006324-196111000-00004},
  url = {https://pubmed.ncbi.nlm.nih.gov/13914438/},
  note = {Source identifier: 13914438}
}