Association of Early Beta-Blocker Exposure and Functional Outcomes in Critically Ill Patients With Moderate to Severe Traumatic Brain Injury: A Transforming Clinical Research and K... oleh Margot Kelly-Hedrick, MBE, Sunny Yang Liu, BA, Nancy Temkin, PhD, Jason Barber, MS, Jordan Komisarow, MD, Geoffrey Manley, MD, PhD, Tetsu Ohnuma, MD, MPH, PhD, Katharine Colton, MD, Miriam M. Treggiari, MD, MPH, PhD, Eric E. Monson, PhD, Monica S. Vavilala, MD, Ramesh Grandhi, MD, MS, Daniel T. Laskowitz, MD, MHS, Joseph P. Mathew, MD, MHS, MBA, Adrian Hernandez, MD, MHS, Michael L. James, MD, Karthik Raghunathan, MD, MPH, Ben Goldstein, PhD, Amy J. Markowitz, JD, Vijay Krishnamoorthy, MD, MPH, PhD, the Transforming Clinical Research and Knowledge in Traumatic Brain Injury Investigators, Neeraj Badjatia, MD, Adam R. Ferguson, PhD, Brandon Foreman, MD, Michael McCrea, PhD, Randall Merchant, PhD, Laura B. Ngwenya, MD, PhD, David Okonkwo, MD, PhD, David Schnyer, PhD, John K. Yue, MD, Ross Zafonte, DO