@misc{indiciaec3e52466bdbb,
  title = {Double vision?},
  author = {J Llewelyn},
  year = {1992},
  doi = {10.1016/0030-4220(92)90336-o},
  url = {https://pubmed.ncbi.nlm.nih.gov/1574316/},
  note = {Source identifier: 1574316}
}