Wong TY, Hubbard LD, Klein R, Marino EK, Kronmal R, Sharrett AR, Siscovick DS, Burke G, Tielsch JM. Retinal microvascular abnormalities and blood pressure in older people: the Cardiovascular Health Study. Br J Ophthalmol. 2002  ;86(9):1007-13.

Sun C, Wang JJ, Islam FM, Heckbert SR, Klein R, Siscovick DS, Klein BEK, Wong TY. Hypertension genes and retinal vascular calibre: the Cardiovascular Health Study. J Hum Hypertens. 2009  ;23(9):578-84.