Correlation between age and content of β-amyloid protein in aqueous humor of patients with cataract surgery at different ages 
LI Zhen1, ZHANG Jian1, JIANG Hui-zhong1, LU Yan1,2
Ophthalmology in China . 2017, (4): 282 -285 .  DOI: 10. 13281/j. cnki. issn.1004-4469. 2017. 04. 015