Burden of proof is another issue in the case of Cooper v. Sisters of Charity. On July 22, 1965, Theodore Grant Cooper, 16 years old was struck by a truck while riding a bicycle. His mother came home at around 2pm that afternoon and her son, Theodore Grant Cooper, complained of a headache and that he had vomited. In the early evening of the same day, Mrs. Cooper went to the ER with her son. He was able to enter alone, but vomited again. An office employee came to obtain some demographic information about the patient and how he was hurt. Then the patient and his mother were shown into the examining room where Dr. Hansen began his exam. Dr. Hansen was given the history of the accident, vomiting and complaint of headache. He examined