Section 334.820 - License required - practice of medicine not authorized1. No person in the state of Missouri, unless such person holds a current and valid license issued pursuant to sections 334.800 to 334.930, shall: (1) Provide the services of a respiratory care practitioner, unless such person is otherwise exempt pursuant to section 334.900; and(2) Represent himself or herself as, or hold himself or herself out, to the public by any title or description including the words, respiratory therapist, respiratory therapy technician, or inhalation therapist, or as having any similar description; and(3) Advertise as, or take any action that would imply or lead the public to believe that such person is, a legitimate provider of respiratory care.2. Nothing in sections 334.800 to 334.930 shall be construed to authorize or permit a respiratory care practitioner to practice medicine.