@misc{indiciaec2f545cd5521,
  title = {An esophoric shift associated with sustained fixation.},
  author = {M H Birnbaum},
  year = {1985},
  doi = {10.1097/00006324-198511000-00002},
  url = {https://pubmed.ncbi.nlm.nih.gov/4073208/},
  note = {Source identifier: 4073208}
}