Okla. Stat. tit. 19, § 19-792: Medical staff - Admissions - Rules and regulations

If a county hospital is operated by a board of control, it shall

be the duty of said board of control to appoint annually at the

first meeting in January none other than good, competent, trained,

and skilled physicians and surgeons to the medical staff of the

hospital, after acceptance by the executive committee of the medical

staff. Admission of patients to the hospital shall be only upon

recommendation of a member of the medical staff. The medical staff

shall organize and adopt rules, regulations, or bylaws for their

practice in such county hospital, however, rules, regulations, or

bylaws shall not become effective until approved by the board of

control and when so approved they shall be signed by each member of

the medical staff.