Ho Charlotte Shan, Avery Anthony John, Livingstone Iain A T, Ting Darren Shu Jeng
Department of Ophthalmology, Queen's Medical Centre, Nottingham, UK.
Division of Primary Care, School of Medicine, University of Nottingham, UK.
BMJ. 2021 Jun 25;373:n1490. doi: 10.1136/bmj.n1490.