1. Yusuf I, Foot B, Lotery A (2021) The Royal College of Ophthalmologists recommendations on monitoring for hydroxychloroquine and chloroquine users in the United Kingdom (2020 revision): executive summary. Eye 35, pp 1532–1537 [Accessed May 2023]
Click https://www.nature.com/articles/s41433-020-01380-2 link to open resource.