Kreski, Noah T and Cerdá, Magdalena and Chen, Qixuan and Hasin, Deborah S and Martins, Silvia S and Mauro, Pia M and Olfson, Mark and Keyes, Katherine M (2022) Adolescents’ use of free time and associations with substance use from 1991 to 2019. Substance Use & Misuse .