Figure 1: Proficiency in preparing self-made cigarettes. Time to produce one PMM cigarette is reported.*denotes p<0.05 vs V1; ‡ Data from Rosenberry et al. [5]. Regular PMM smokers (n=42) were timed as they made cigarettes in the lab. These smokers had an average of 4.4 years of experience making PMM cigarettes.
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