authors Ari B Friedman, MD, PhD Chen, Angela T Wu, Rachel Coe, Norma B Halpern, Scott D Ula Hwang, MD, MPH Kelz, Rachel R Anne R. Cappola, MD, ScM
has subject area Abdominal Pain Aged Emergency Service, Hospital Female Health Care Surveys Humans Male Patient Admission Patient Discharge Tomography, X-Ray Computed Triage Ultrasonography United States