Design of Wrist Gimbal: A forearm and wrist exoskeleton for stroke rehabilitation. - John A. Martinez; Paul Ng; Son Lu; McKenzie S. Campagna; Ozkan Celik (ICORR, 2013)

Haptic body-powered upper-extremity prosthesis simulator with tunable stiffness and sensitivity. - Lee-Kuen Chua; John A. Martinez; Ozkan Celik (HAPTICS, 2014)