https://www.courtemanche.org/hospitals-repeater/does-procedure-profitability-impact-whether-an-outpatient-surgery-is-performed-at-an-ambulatory-surgery-center-or-hospital%3F 2025-02-17 https://www.courtemanche.org/hospitals-repeater/does-competition-from-ambulatory-surgical-centers-affect-hospital-surgical-output%3F 2025-02-17