中国老年人虚弱变化轨迹及其分化:基于虚弱指数的考察
巫锡炜,刘慧
Frailty Trajectory and Its Differentials among Older Adults in China: An Investigation Based on Frailty Index
Wu Xiwei,Liu Hui
人口研究 . 2019, (4): 70 -84 .