@misc{indiciae366a6a4ac75a,
  title = {Ocular autonomic function in progressive autonomic failure.},
  author = {C V Clark and D J Ewing},
  year = {1988},
  doi = {10.1007/bf00157061},
  url = {https://pubmed.ncbi.nlm.nih.gov/3251719/},
  note = {Source identifier: 3251719}
}