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O'Brien, Fearghal, Simons-Morton, Bruce G., Chaurasia, Ashok, Luk, Jeremy, Haynie, Denise and Liu, Danping (2018) Post-High School Changes in Tobacco and Cannabis Use in the United States. Substance Use & Misuse, 53 (1). pp. 26-35. ISSN 1532-2491
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O'Brien, Fearghal, Simons-Morton, Bruce G., Chaurasia, A., Luk, J., Haynie, D. and Liu, Danping (2016) Post-high school changes in tobacco and marijuana use in the United States. Addictive Behaviors. ISSN 0306-4603 (Submitted)