Epidemiology and etiology of substance use among American Indians and Alaska Natives: risk, protection, and implications for prevention.
Whitesell NR, Beals J, Crow CB, Mitchell CM, Novins DK. Epidemiology and etiology of substance use among American Indians and Alaska Natives: risk, protection, and implications for prevention. Am J Drug Alcohol Abuse. 2012 Sep; 38(5):376-82.