@misc{indiciae694cf98c0671,
  title = {Vergence breaks with a stepping prism.},
  author = {W L Larson},
  year = {1972},
  doi = {10.1097/00006324-197207000-00005},
  url = {https://pubmed.ncbi.nlm.nih.gov/4559697/},
  note = {Source identifier: 4559697}
}