David Reitzel, John, and Sarah Huggins Scarbrough. “Drug Use Among a Sample of Federal Drug Crime Defendants: Implications for the Gateway Effect Hypothesis”. International Journal of Criminology and Sociology 6 (November 1, 2017): 133–145. Accessed November 23, 2024. https://lifescienceglobal.com/pms/index.php/ijcs/article/view/4991.