O'CONNELL, J. M., NOVINS, D. K., BEALS, J., WHITESELL, N. R., & SPICER, P. (2011). The association between substance use disorders and early and combined use of alcohol and marijuana in two American Indian populations. J Subst Use.

O'CONNELL, JOAN M., DOUGLAS K. NOVINS, JANETTE BEALS, NANCY R. WHITESELL, i PAUL SPICER. "The Association between Substance Use Disorders and Early and Combined Use of Alcohol and Marijuana in Two American Indian Populations." J Subst Use 2011.

O'CONNELL, JOAN M., et al. "The Association between Substance Use Disorders and Early and Combined Use of Alcohol and Marijuana in Two American Indian Populations." J Subst Use 2011.