The Evaluation of the Interaction Between Human Buttocks Thighs and Wheelchair Seat Cushion to Prevent Pressure Ulcers Using Finite Element Analysis. - He Thong Bui; Philippe Lestriez; The Nhan Pham Nguyen; Le Van Nguyen; Quang Bang Tao; Karl Debray; Thi Hai Van Nguyen; Redha Taïar (IHSED, 2018)