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Mean (SEM) days of abstinence (left), and cigarettes per day and daily carbon monoxide (CO) (right) during each 4-day “quit” period on fenofibrate (160mg/d) and placebo (N = 38). Also shown, for comparison only, are cigarettes per day and CO during the first ad libitum smoking baseline period (BL). No differences were found on any measure between fenofibrate and placebo.
