[A case-control study of senile cataract in Tibet].
Mao
W S
WS
Xu
J J
JJ
Zhu
S P
SP
Kupfer
C
C
D000328:Adult; D000367:Age Factors; D000368:Aged; D002386:Cataract / Q000453:epidemiology*; D002681:China; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies; D012307:Risk Factors; D013472:Sunlight / Q000009:adverse effects