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First, ensure it's fully charged

The data were gathered using a specifically designed checklist (Supplementary file Table S1) that covered various aspects: the type of specialty store (either single brand or multiple brands), the brand name, available flavors, product types (categorized as disposable or rechargeable kits), the availability of zero-nicotine e-liquids (yes or no), the presence of discounts (yes or no), marketing materials, and the existence of signage indicating a minimum age requirement or a no-sale-to-minors policy (yes or no)

Both substances have distinct properties and effects

The highest dose patch (21mg) should be used if the smoker smokes more than 10 cigarettes a day

Shen X, Ding G, Wei J, Zhao L, Zhou Y, Deng H, Lao L