(Q39480027)
Statements
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Epidemiological studies of the very high prevalence of asthma and related symptoms among school children in Costa Rica from 1989 to 1998. (English)
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Manuel E Soto-Quiros
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Manuel Soto-Martinez
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Lars A Hanson
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1 October 2002
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13
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5
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342-349
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Identifiers
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