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Design, methodology, and preliminary results of the follow-up of a population-based cohort study in rural area of northern China: Handan Eye Study.
Cao K, Hao J, Zhang Y, Hu AL, Yang XH, Li SZ, Wang BS, Zhang Q, Hu JP, Lin CX, Yusufu M, Wang NL; Handan Eye Study Group. Cao K, et al. Among authors: zhang q, zhang y. Chin Med J (Engl). 2019 Sep 20;132(18):2157-2167. doi: 10.1097/CM9.0000000000000418. Chin Med J (Engl). 2019. PMID: 31490265 Free PMC article.
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