Value of retinal vein pulsation characteristics in predicting increased optic disc excavation
Chandrakumar Balaratnasingam, William H Morgan, Martin L Hazelton, Phillip H House, Chris J Barry, Hsien Chan, Stephen J Cringle, Dao-Yi Yu
British Journal of Ophthalmology Apr 2007, 91 (4) 441-444; DOI: 10.1136/bjo.2006.105338