TY - JOUR T1 - Associations between body mass index and peak expiratory flow rate and the mediating role of hand grip strength: evidence from CHARLS JO - Clinics A1 - Zhang, Xiaonan A1 - Jin, Haowei A1 - Zhou, Sheng SN - 1807-5932 UL - 10.1016/j.clinsp.2026.101091 VL - 81 Y1 - 2026 PB - Brasil ER -