No abstract available
Publication types
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Comparative Study
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Adolescent
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Adult
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Age Factors
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Aged
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Asian
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California
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Carcinogens, Environmental / adverse effects
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Child
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Child, Preschool
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China / ethnology
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Feeding Behavior
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Female
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Fish Products / adverse effects*
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Hong Kong
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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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Middle Aged
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Nasopharyngeal Neoplasms / epidemiology
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Nasopharyngeal Neoplasms / etiology*
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Occupations
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Risk
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Sex Factors
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Smoke*
Substances
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Carcinogens, Environmental
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Smoke