Real-World Assessment of Concomitant Opioid Utilization and Associated Trends in Patients With MigraineByAnne Kangethe, PharmD, PhD, RPh, MPH,Michael Polson, PharmD, MS,Themmi M. Evangelatos, PharmD, MSBA,Lindsay C. Speicher, JD,Andrew T. Tenaglia, BA,Peter S. Staats, MD, MBA,Eric J. Liebler,Mkaya Mwamburi, MD, PhD, MAFebruary 18th 2020