Drupal-Bibcite0<style face="normal" font="default" size="100%">Opioid prescribing in the United States before and after the Centers for Disease Control and Prevention's 2016 opioid guideline</style><style face="normal" font="default" size="100%">Opioid prescribing in the United States before and after the Centers for Disease Control and Prevention's 2016 opioid guideline</style>