@misc{indiciaea74ab52935a7,
  title = {Hydroxychloroquine, dosage parameters and retinopathy.},
  author = {D J Spalton and G M Verdon Roe and G R Hughes},
  year = {1993},
  doi = {10.1177/096120339300200604},
  url = {https://pubmed.ncbi.nlm.nih.gov/8136818/},
  note = {Source identifier: 8136818}
}