Few studies used biochemical tests to confirm smoking status, relying instead on self-reports, which may underestimate smoking behavior
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Previous studies have shown that, compared with never-smokers, current smokers have an OR of 3.51 (95% CI: 3.083.99), and former smokers have an OR of 2.89 (95% CI: 2.633.17) for COPD risk, with smoking duration being a key factor (33, 34)
Designers inspiration is always endless
The band does not seem have been made for this viola, and as a result, there is a noticeable gap on the top between the car and the band