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Research Design
Models, Statistical
Longitudinal Studies
Sample Size
Time Factors
Sampling Studies
Substance-Related Disorders
Tobacco Use Disorder
Intervention Studies
Reinforcement Schedule
Self Administration
Behavior Therapy
Psychometrics
United States
Alcohol Drinking
Social Change
Risk-Taking
Adolescent Behavior
Human Development
Nicotine
Co-Publications
8
4
3
2
1
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