authors Desai, Mayur M Cheryl K. Zogg, PhD, MSPH, MHS Ranasinghe, Isuru Parzynski, Craig S Lin, Zhenqiu Gorbaty, Marianna Merrill, Angela Krumholz, Harlan M Drye, Elizabeth E
has subject area Aged Ambulatory Surgical Procedures Emergency Service, Hospital Fee-for-Service Plans Hospitalization Hospitals Humans Medicare Retrospective Studies United States