Dr. Gavin Britz with a three-dimensional model of a patient’s brain in his office at Methodist Hospital Friday Dec.19, 2014. Dr. Gavin Britz with a three-dimensional model of a patient’s brain in his office at Methodist Hospital Friday Dec.19, 2014. Read the full article by here: Johannesburg, South Africa News Submit and get free press releases here: MyPR Free … [Read more...] about Patients remain awake while neurosurgeon removes brain tumors