Evaluation of the impact of nutrition intervention on cataract prevalence in China.
Department of Biochemistry and Nutrition, Virginia Polytechnic Institute, Blacksburg 24061.
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D000328:Adult; D000367:Age Factors; D000818:Animals; D002386:Cataract / Q000453:epidemiology* / Q000517:prevention & control*; D002681:China / Q000453:epidemiology; D004311:Double-Blind Method; D006801:Humans; D008875:Middle Aged; D008903:Minerals / Q000627:therapeutic use*; D009752:Nutritional Status; D015995:Prevalence; D014815:Vitamins / Q000627:therapeutic use*
D008903:Minerals; D014815:Vitamins