Fan W-Y, Fleming A, Robertson G, Uji A, van Hemert J, Singer M, Sagong M, Ip M, Sadda SR. Fractal analysis of retinal vasculature in normal subjects on ultra-wide field fluorescein angiography. Int J Ophtalmol. 2020 Jul 18;13(7):1109-14. doi: 10.18240/ijo.2020.07.15
McKenna SP, Doward LC. How should we measure quality of life in ankylosing spondylitis? Rheumatol Pract. 2008;6(2):12-4.