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Figure 2: Average solanesol in PMM cigarettes illustrates consistent smoking patterns. Average used filter butt solanesol content from 4 home-smoked cigarettes (first of day, 2 mid-day and last of the day) on the day before laboratory visits V2, V3, V4 for each of the six participants. Values are collapsed across the four cigarettes because AVOVA indicated no significant differences in butt solanesol levels as time smoked. |