@misc{indiciaeeb6af62a2ade,
  title = {Visual field defects in onchocerciasis.},
  author = {B Thylefors and A M Tønjum},
  year = {1978},
  doi = {10.1136/bjo.62.7.462},
  url = {https://pubmed.ncbi.nlm.nih.gov/678499/},
  note = {Source identifier: 678499}
}