The medial meniscus extrusion is invversely associated with the gait speed of the patients with end-stage of medial knee osteoarthritis. (April 2017) - Arita, H.; Kaneko, H.; Ishijima, M.; Ishibashi, M.; Lizu, L.; Shiozawa, J.; Hada, S.; Kinoshita, M.; Yusup, A.; Aoki, T.; Nagao, M.; Takazawa, Y.; et al.