authors Hatchimonji, Justin S Mavroudis, Catherine L Ari B Friedman, MD, PhD Kaufman, Elinore J Syvyk, Solomiya Wirtalla, Christopher J Keele, Luke Reilly, Patrick M Kelz, Rachel R
has subject area Aged Cohort Studies Emergencies Emergency Service, Hospital General Surgery Hospitals Humans Medicare Retrospective Studies Surgical Procedures, Operative United States