Drug and Alcohol DependenceVolume 146, 1 January 2015, Page e195Trends in racial/ethnic differences in heroin use and heroin risk behaviors among nonmedical users of prescription opioids from 2002 to 2011Author links open overlay panelSilvia S. Martins 1, Julian Santaella 1, Brandon D. Marshall 2, Adriana Maldonado 1, Magdalena Cerdá 1Show moreShareCitehttps://doi.org/10.1016/j.drugalcdep.2014.09.445Get rights and contentRecommended articlesReferences (0)Cited by (0)View full textCopyright © 2014 Published by Elsevier Ireland Ltd.