![<p>Information on doctor and pharmacy shopping for opioids adds little to the identification of presumptive opioid abuse disorders in health insurance claims data</p>]()
<p>Information on doctor and pharmacy shopping for opioids adds little to the identification of presumptive opioid abuse disorders in health insurance claims data</p>Walker, Alexander M; Weatherby, Lisa B; Cepeda, M Soledad; Bradford, Daniel C · Substance Abuse and Rehabilitation · 2019