1. Patterns of major depression and nonmedical use of prescription opioids in the United States Fink, David S.; Hu, Ranran; Cerdá, Magdalena; Keyes, Katherine M.; Marshall, Brandon D. L.; Galea, Sandro; Martins, Silvia S. 2015 Articles Drug abuseEpidemiologyDrug abuse--EpidemiologyDepression, MentalMedication abuseMental health