Truven Health Analytics-NPR Health Poll Finds Prescription Painkillers Most Common Treatment for Patients Seeking Care for Back Pain http://www.prnewswire.com/news-releases/truven-health-analytics-npr-health-poll-finds-prescription-painkillers-most-common-treatment-for-patients-seeking-care-for-back-pain-300460775.html PR Newswire – 05/19/2017