Mo. Rev. Stat. § 334.021
Where other statutes of this state use the terms "physician", "surgeon", "practitioner of medicine", "practitioner of osteopathy", "board of medical examiners", or "board of osteopathic registration and examination" or similar terms, they shall be construed to mean physicians and surgeons licensed under this chapter or the state board of registration for the healing arts in the state of Missouri.
(L. 1959 S.B. 50 § 22)