Analysis of information sources in references of the Wikipedia article "Tobacco" in English language version.
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: CS1 maint: numeric names: authors list (link)Tobacco is the single most preventable cause of death in the world today.
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: CS1 maint: bot: original URL status unknown (link)Tobacco is the single most preventable cause of death in the world today.
Tobacco is the single most preventable cause of death in the world today.
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