Burden of knee osteoarthritis in China and globally from 1992 to 2021, and projections to 2030: a systematic analysis from the Global Burden of Disease Study 2021 - Lv, Yueming; Sui, Liang; Lv, Hao; Zheng, Jiacheng; Feng, Huichao; Jing, Fujie (Frontiers in Public Health, 2025)