Respondent-driven sampling to recruit MDMA users: a methodological assessment
J Wang, RG Carlson, RS Falck, HA Siegal… - Drug and alcohol …, 2005 - Elsevier
Drug use practices among MDMA/ecstasy users in Ohio: a latent class analysis
RG Carlson, J Wang, RS Falck, HA Siegal - Drug and alcohol dependence, 2005 - Elsevier
Sources of information about MDMA (3, 4-methylenedioxymethamphetamine): perceived accuracy, importance, and implications for prevention among young adult …
RS Falck, RG Carlson, J Wang, HA Siegal - Drug and Alcohol Dependence, 2004 - Elsevier
MDMA/Ecstasy use among young people in Ohio: Perceived risk and barriers to intervention
RG Carlson, RS Falck, JA McCaughan… - Journal of Psychoactive …, 2004 - Taylor & Francis
Depressive symptomatology in young adults with a history of MDMA use: a longitudinal analysis
RS Falck, J Wang, RG Carlson - Journal of …, 2008 - journals.sagepub.com