@misc{indiciaeeb666dfad1be,
  title = {Nicotinic acid maculopathy.},
  author = {J D Gass},
  year = {1973},
  doi = {10.1016/0002-9394(73)90738-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/4743805/},
  note = {Source identifier: 4743805}
}