Medial Meniscus Extrusion In Middle-Aged Patients With K/L Grade 0 Is A Risk Factor For Posterior Root Injury 6 Years Later - 6-Year Longitudinal Analysis Of OAI Data. (March 2023) - Sugitani, K.; Hada, S.; Adili, A.; Aoki, T.; Tomura, J.; Wakana, S.; Kim, Y.; Kobayashi, K.; Kaneko, H.; Kubota, M.; Ishijima, M.