Human subjects
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Animal or in vitro cell studies
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Original sources of new data
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Non-original sources of data
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Investigate oral exposure to tobacco or nicotine products
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Studies involving non-oral exposure to tobacco or nicotine products
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Report at least one qualitative or quantitative positive or negative health impact or outcome related to exposure to tobacco or nicotine products
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Not reporting health impact or outcomes related to exposure to tobacco or nicotine products
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English language publications
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Studies conducted in populations involving patients with terminal disease
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Non-English language publications
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Systematic reviews or meta-analyses
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