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Character of nodules: Are they all calcified (suggesting benign granulomas)
Advertising strategies, product placement, and sponsorship of events contribute to the normalization of smoking behavior
Patches: Deliver a steady dose of nicotine throughout the day, helping to reduce withdrawal symptoms
Funding This work was supported by the National Natural Science Foundation of China (project number 81973143)
It is important to note that the majority of studies included in our analysis are case-control studies, which are susceptible to biases such as selection bias and confounding bias 28
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