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The current analysis incorporated data from participants who completed at least 11 of the 14 daily diaries (n of observations=14112 or 79.2%) to ensure completeness of data

Another study in the United States surveyed a sample of adolescents who had a parent, guardian, or other household member who participated in a randomized controlled trial in which a single pictorial or text-only warning was displayed on the parent's cigarette package for 4 weeks (Ref

However, there should be many users who are addicted to this lack of habit

C., Johnson, K

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Germeroth LJ, Carpenter MJ, Baker NL, Froeliger B, LaRowe SD, Saladin ME