Cataract blindness in developing nations.
Excel Foundation, New York, NY.
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Schwab
D001766:Blindness / Q000453:epidemiology / Q000209:etiology* / Q000517:prevention & control; D002386:Cataract / Q000150:complications* / Q000453:epidemiology / Q000517:prevention & control; D002387:Cataract Extraction; D003906:Developing Countries; D006285:Health Planning; D006801:Humans; D015994:Incidence; D015995:Prevalence