Introduction and overview / Mario R. De La Rosa, Juan-Luis Recio Adrados, and Norweeta Milburn — Integrating mainstream and subcultural explanations of drug use among Puerto Rican youth / Orlando Rodriguez, Juan-Luis Recio Adrados, and Mario R. De La Rosa — Orthogonal cultural identification : theoretical links between cultural identification and substance use / E.R.… Continue reading Validity of self-reports in student-based studies on minority populations : issues and concerns