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Reassessing the marijuana gateway effect.
Morral AR, McCaffrey DF, Paddock SM. Morral AR, et al. Addiction. 2002 Dec;97(12):1493-504. doi: 10.1046/j.1360-0443.2002.00280.x. Addiction. 2002. PMID: 12472629 Review.
Marijuana use and depression among adults: Testing for causal associations.
Harder VS, Morral AR, Arkes J. Harder VS, et al. Among authors: morral ar. Addiction. 2006 Oct;101(10):1463-72. doi: 10.1111/j.1360-0443.2006.01545.x. Addiction. 2006. PMID: 16968348
Reducing substance use improves adolescents' school attendance.
Engberg J, Morral AR. Engberg J, et al. Among authors: morral ar. Addiction. 2006 Dec;101(12):1741-51. doi: 10.1111/j.1360-0443.2006.01544.x. Addiction. 2006. PMID: 17156173
Propensity score estimation with boosted regression for evaluating causal effects in observational studies.
McCaffrey DF, Ridgeway G, Morral AR. McCaffrey DF, et al. Among authors: morral ar. Psychol Methods. 2004 Dec;9(4):403-25. doi: 10.1037/1082-989X.9.4.403. Psychol Methods. 2004. PMID: 15598095
Associations between abstinence in adolescence and economic and educational outcomes seven years later among high-risk youth.
Griffin BA, Ramchand R, Edelen MO, McCaffrey DF, Morral AR. Griffin BA, et al. Among authors: morral ar. Drug Alcohol Depend. 2011 Jan 15;113(2-3):118-24. doi: 10.1016/j.drugalcdep.2010.07.014. Epub 2010 Aug 24. Drug Alcohol Depend. 2011. PMID: 20797825 Free PMC article.
Seven-year life outcomes of adolescent offenders in Los Angeles.
Ramchand R, Morral AR, Becker K. Ramchand R, et al. Among authors: morral ar. Am J Public Health. 2009 May;99(5):863-70. doi: 10.2105/AJPH.2008.142281. Epub 2009 Mar 19. Am J Public Health. 2009. PMID: 19299674 Free PMC article.
A prospective investigation of suicide ideation, attempts, and use of mental health service among adolescents in substance abuse treatment.
Ramchand R, Griffin BA, Harris KM, McCaffrey DF, Morral AR. Ramchand R, et al. Among authors: morral ar. Psychol Addict Behav. 2008 Dec;22(4):524-32. doi: 10.1037/a0012969. Psychol Addict Behav. 2008. PMID: 19071977 Free PMC article.
Inconsistencies in self-reported drug use by adolescents in substance abuse treatment: implications for outcome and performance measurements.
Harris KM, Griffin BA, McCaffrey DF, Morral AR. Harris KM, et al. Among authors: morral ar. J Subst Abuse Treat. 2008 Apr;34(3):347-55. doi: 10.1016/j.jsat.2007.05.004. Epub 2007 Jul 5. J Subst Abuse Treat. 2008. PMID: 17614240 Free PMC article.
Interpreting treatment effects when cases are institutionalized after treatment.
McCaffrey DF, Morral AR, Ridgeway G, Griffin BA. McCaffrey DF, et al. Among authors: morral ar. Drug Alcohol Depend. 2007 Jul 10;89(2-3):126-38. doi: 10.1016/j.drugalcdep.2006.12.032. Epub 2007 Feb 1. Drug Alcohol Depend. 2007. PMID: 17275215
Dynamic effects among patients' treatment needs, beliefs, and utilization: a prospective study of adolescents in drug treatment.
Schell TL, Orlando M, Morral AR. Schell TL, et al. Among authors: morral ar. Health Serv Res. 2005 Aug;40(4):1128-47. doi: 10.1111/j.1475-6773.2005.00399.x. Health Serv Res. 2005. PMID: 16033496 Free PMC article.
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