1.
Prevalence and associations of cataract in a rural Chinese adult population: the Handan Eye Study
by Duan, Xin Rong
Graefe's archive for clinical and experimental ophthalmology, 2012, Vol.251 (1), p.203-212

2.
Association of dilated retinal arteriolar caliber with early age-related macular degeneration: the Handan Eye Study
by Yang, Ke
Graefe's archive for clinical and experimental ophthalmology, 2011, Vol.250 (5), p.741-749
