1. Overview of operating room procedures during inpatient stays in U.S. hospitals, 2018;McDermott,2021
2. Overview of major ambulatory surgeries performed in hospital-owned facilities, 2019;McDermott,2021
3. Surgeries in hospital-based ambulatory surgery and hospital inpatient settings;Steiner,2014
4. National and surgical health care expenditures, 2005-2025;Muñoz;Ann Surg,2010
5. Understanding the costs associated with surgical care delivery in the medicare population;Kaye;Ann Surg,2020