Chang applied the selective thoracic fusion method to pull David's spine straight. Within three days after the surgery, David was able to stand on his own, and one year later he was competing in the Hualien triathalon, showing a lot more vitality than the average person can muster!
張國華以灌頂法矯治 David，拉直他的脊椎，術後 3 天 David 就能下床站立，一年後還參加花蓮盃三鐵比賽，活動力更勝常人。