Trajectories of Marijuana Use During the Transition to Adulthood: the Big Picture Based on National Panel Data

Schulenberg, John E; Johnston, Lloyd D; O’Malley, Patrick M; Bachman, Jerald G; Merline, Alicia C; Laetz, Virginia B. (2005). Trajectories of Marijuana Use During the Transition to Adulthood: the Big Picture Based on National Panel Data. Journal of Drug Issues. 35(2), 255-279.