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Start with What Youre Used To If youre not sure where to start, try comparing the Marlboro options to what you usually smoke

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3.5 Association between exclusive e-cigarette users and the prevalence of COPD We then conducted a pre-specified subgroup analysis focusing on exclusive e-cigarette users, defined as individuals who currently use e-cigarettes but have never smoked traditional cigarettes

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TRBoost: a generic gradient boosting machine based on trust-region method

Smoke 'em if you've got 'em