Nichols Len M, Ballard David J
Health Policy Center, Urban Institute, Washington, DC.
Department of Health Policy and Management, UNC Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC.
Mayo Clin Proc. 2022 Jan;97(1):10-11. doi: 10.1016/j.mayocp.2021.11.013.