No abstract available
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Adolescent
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Asian People / statistics & numerical data*
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Breast Feeding / statistics & numerical data
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Child
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Child, Preschool
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Cohort Studies
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Female
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Health Services / statistics & numerical data
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Health Status*
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Health Surveys / methods*
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Hong Kong / epidemiology
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Humans
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Infant
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Infant, Newborn
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Male
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Pregnancy
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Prenatal Exposure Delayed Effects / epidemiology
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Socioeconomic Factors
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Tobacco Smoke Pollution / statistics & numerical data
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Urban Population / statistics & numerical data*