@misc{indiciaef94170ff7c96,
  title = {Periodic alternating esotropia.},
  author = {L M Hamed and J Silbiger},
  doi = {10.3928/0191-3913-19920701-12},
  url = {https://pubmed.ncbi.nlm.nih.gov/1512666/},
  note = {Source identifier: 1512666}
}