@misc{indiciae69e52f005d38,
  title = {The cross cylinder.},
  author = {S E Wunsh},
  year = {1971},
  doi = {10.1097/00004397-197101110-00009},
  url = {https://pubmed.ncbi.nlm.nih.gov/5129704/},
  note = {Source identifier: 5129704}
}