Rass, O., Schacht, R. L., Buckheit, K., Johnson, M. W., Strain, E. C., & Mintzer, M. Z. (2015). A randomized controlled trial of the effects of working memory training in methadone maintenance patients. Drug Alcohol Depend.

Rass, Olga, Rebecca L. Schacht, Katherine Buckheit, Matthew W. Johnson, Eric C. Strain, và Miriam Z. Mintzer. "A Randomized Controlled Trial of the Effects of Working Memory Training in Methadone Maintenance Patients." Drug Alcohol Depend 2015.

Rass, Olga, et al. "A Randomized Controlled Trial of the Effects of Working Memory Training in Methadone Maintenance Patients." Drug Alcohol Depend 2015.