TY - JOUR T1 - Associations of physical activity, sleep with functional disability in Chinese older adults: a five-year prospective study JO - Clinics A1 - Zhao, Xuewei A1 - Zeng, Jiani A1 - Zhang, Lijuan A1 - Zhang, Haibo A1 - Huang, Jingjing A1 - Jiang, Lei A1 - Zhao, Jun SN - 1807-5932 UL - 10.1016/j.clinsp.2026.100863 VL - 81 Y1 - 2026 PB - Brasil ER -