Table 1.
Characteristics of the study population. (n = 30).
| Mean age (years ± SD) | 32.53 ± 5.87 |
| Gender (female:male) | 12:18 |
| Length of smoking (years ± SD) | 12 ± 6.9 |
| Number of cigarettes smoked per day (n ± SD) | 14 ± 4 |
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