Design of a robotic platform for hip fracture rehabilitation in elderly people - Costa, V; Ramirez, O; Lora-Millan, J S; Urendes, E; Rocon, E; Perea, L; Raya, R (2020 8th Ieee Ras/Embs International Conference For Biomedical Robotics And Biomechatronics (Biorob), 2020)