No abstract available
Publication types
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Comment
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Editorial
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Research Support, Non-U.S. Gov't
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Adenocarcinoma / etiology*
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Cardia
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Case-Control Studies
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Esophageal Neoplasms / etiology*
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Humans
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Risk
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Risk Factors
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Smoking / adverse effects*
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Stomach Neoplasms / etiology*
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Surveys and Questionnaires