We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleNonmedical use of opioid analgesics obtained directly from physicians: prevalence and correlates.AuthorsBecker WC; Tobin DG; Fiellin DAPublicationArchives of internal medicine, 2011, Vol 171, Issue 11, p1034ISSN1538-3679Publication typearticleDOI10.1001/archinternmed.2011.217