This cohort study uses data from the Population Assessment of Tobacco and Health (PATH) study waves 1 to 4 to assess at what age young people aged 12 to 17… Click to show full abstract
This cohort study uses data from the Population Assessment of Tobacco and Health (PATH) study waves 1 to 4 to assess at what age young people aged 12 to 17 years initiate cigarette use.
               
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