Okla. Stat. tit. 56, § 300

The Oklahoma Medical Center shall include the University Hospital, the Oklahoma Children's Hospital, the O'Donaghue Rehabilitation Institution, the Child Study Center and any other institutions operated by a private entity under a joint operating agreement in which any of the state institutions listed in this section are leased to a private entity pursuant to the University Hospitals Authority Act. The University Hospitals Authority may, at its discretion, designate other names under which the Oklahoma Medical Center may operate.