It is commonly understood that the parent (or legal guardian) is responsible for attending to the care of a minor child while a family is engaged in worship, education or fellowship at St. John’s Church. However, in the event of emergency care I, the parent or guardian of the minor(s) do hereby authorize any emergency X-ray examination, anesthetic, dental, medical or surgical diagnosis or treatment by any physician or dentist licensed by the State of Oklahoma and hospital service that may be rendered to said minor whether such diagnoses or treatment is rendered at the office of the physician or dentist, or at a hospital licensed by the State of Oklahoma. This consent shall remain effective until the minor reaches the age of legal consent, unless sooner revoked in writing, delivered to said physician or dentist or said persons entrusted with the custody, care and control of said minor child or children.