1. Co-occurring mental illness, drug use, and medical multimorbidity among lesbian, gay, and bisexual middle-aged and older adults in the United States: a nationally representative study Han, Benjamin H.; Duncan, Dustin T.; Arcila-Mesa, Mauricio; Palamar, Joseph J. 2020 Articles Lesbians--Mental healthGay men--Drug useBisexuals--Mental healthComorbidityOlder people--Mental health
2. Demographic trends among older cannabis users in the United States, 2006–13 Han, Benjamin H.; Sherman, Scott; Mauro, Pia M.; Martins, Silvia S.; Rotenberg, James; Palamar, Joseph J. 2017 Articles EpidemiologyMarijuanaCannabisOlder people--Drug useDrug abuseDrug abuse--Epidemiology
3. Self-reported use of novel psychoactive substances in a US nationally representative survey: Prevalence, correlates, and a call for new survey methods to prevent underreporting Palamar, Joseph J.; Martins, Silvia S.; Su, Mark K.; Ompad, Danielle C. 2015 Articles EpidemiologyPsychotropic drugsDrug abuseDrug abuse--EpidemiologySubstance abuseSubstance abuse--Epidemiology