Medical marijuana laws and adolescent marijuana use in the USA from 1991 to 2014: results from annual, repeated cross-sectional surveys

Authors: Deborah S. Hasin, Melanie M. Wall, Katherine M. Keyes, Magdalena Cerdá, John E. Schulenberg, Patrick M. O’Malley, Sandro Galea, Rosalie Liccardo Pacula, Tianshu Feng - The Lancet 2015 cited by 265