Association between frailty index and cardiometabolic disease accumulation: A study of urban-rural disparities in the CHARLS cohort
Ma Qiangqiang, Lei Haohao, Zhang Ming, Wu Guanji, Li Qingqing
South China Journal of Preventive Medicine . 2026, (6): 672 -677 .  DOI: 10.12183/j.scjpm.2026.0672