1. Exploring the latent trait of opioid use disorder criteria among frequent nonmedical prescription opioid users Castaldelli-Maia, Joao Mauricio; Andrade, Laura H.; Keyes, Katherine M.; Cerdá, Magdalena; Pilowsky, Daniel J.; Martins, Silvia S. 2016 Articles OpioidsOpioid abuseEpidemiologyMedication abuseDrug abuseDrug abuse--EpidemiologySubstance abuseSubstance abuse--Epidemiology
2. The role of drug use sequencing pattern in further problematic use of alcohol, tobacco, cannabis, and other drugs Castaldelli-Maia, Joao Mauricio; Martins, Silvia S.; Garcia de Oliveira, Lúcio; Andrade, Arthur G.; Nicastri, Sérgio 2015 Articles EpidemiologyDrug abuseDrug abuse--EpidemiologyDrinking of alcoholic beveragesTobacco useCannabisSubstance abuseSubstance abuse--Epidemiology