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Background and Aims
Youth aged 15–17 years are at high risk of tobacco, alcohol and drug use. Given the changing landscape with respect to availability, use of emerging products and regulatory environments, we examined patterns and correlates of polysubstance use among US youth aged 15–17 years.
Design
Cross‐sectional self‐reported data.
Setting
United States.
Participants
A total of 6127 US...
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