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Tobacco Regulatory Research Core: Tier 1

The Tobacco Regulatory Research Panel (TRRP) has defined two tiers of Core measures for use by all tobacco regulatory researchers. The measures in Core: Tier 1 are deemed relevant and essential to all areas of tobacco regulatory research and require very little time to collect. The complementary measures in Core: Tier 2 are also relevant to many areas of tobacco regulatory research but are more specialized and require a greater time commitment.