[Basic study on cataract in China: current status and strategy].
He
Shou-zhi
SZ
Li
Bin
B
D002386:Cataract / Q000209:etiology / Q000517:prevention & control; D002681:China; D006801:Humans; D007908:Lens, Crystalline / Q000737:chemistry / Q000166:cytology; D012107:Research Design