(Q39162798)
Statements
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Presbyopic spectacle coverage, willingness to pay for near correction, and the impact of correcting uncorrected presbyopia in adults in Zanzibar, East Africa (English)
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Heidi R Laviers
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Fatma Omar
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Hakika Jecha
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Garnia Kassim
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Clare Gilbert
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30 December 2009
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51
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2
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1234-1241
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Identifiers
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