@misc{indiciaeef49c61229fc,
  title = {Strabismus cover test demonstrator.},
  author = {J D Wirtschafter and I P Stapp},
  year = {1971},
  doi = {10.1016/0002-9394(71)90439-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/4100567/},
  note = {Source identifier: 4100567}
}