authors Gettel, Cameron J Salah, Wafa Rothenberg, Craig Liang, Yixuan Schwartz, Hope Scott, Kirstin W Hwang, Ula Hastings, Susan N Venkatesh, Arjun K
has subject area Aged Aged, 80 and over Cross-Sectional Studies Emergency Service, Hospital Female Health Expenditures Humans Male Medicare Medicare Part C United States