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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Bibliografiske detaljer
Main Authors: Babalola, O E, Murdoch, I E, Cousens, S, Abiose, A, Jones, B
Format: Artigo
Sprog:Inglês
Udgivet: Copyright 2003 British Journal of Ophthalmology 2003
Fag:
Scientific Correspondence
Online adgang:https://ncbi.nlm.nih.gov/pmc/articles/PMC1771535/
https://ncbi.nlm.nih.gov/pubmed/12598438
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