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Blindness: how to assess numbers and causes?
Background: Traditionally, blindness surveys have modelled themselves on the “gold standard” of a census and examination of a whole population. Blindness, however, is a relatively rare condition even in badly affected communities; hence, large sample sizes are required to gain adequate estimates of...
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| Autors principals: | , , , , |
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| Format: | Artigo |
| Idioma: | Inglês |
| Publicat: |
Copyright 2003 British Journal of Ophthalmology
2003
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| Matèries: | |
| Accés en línia: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1771535/ https://ncbi.nlm.nih.gov/pubmed/12598438 |
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