Control method of a electrohydraulic total artificial heart using ultrasound - Kitamura, Souichirou; Fukui, Yasuhiro; Honma, Akihiko; Taenaka, Yoshiyuki; Fukunaga, Kazuyosi; IMAI, Kouji; Tatsumi, Eisuke; Ono, Daisuke; Kamiura, Tadayuki (Journal of Life Support Engineering, 2004)