No abstract available
MeSH terms
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Aged
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Air Pollutants / adverse effects*
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Air Pollution / adverse effects
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Cardiovascular Diseases / epidemiology*
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Hong Kong / epidemiology
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Hospitalization / statistics & numerical data*
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Humans
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Oxidants, Photochemical / adverse effects*
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Ozone / adverse effects*
Substances
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Air Pollutants
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Oxidants, Photochemical
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Ozone