Investigestion and character analysis of function of 12 141 older people in 9 provinces
HU Huixiu, SUN Chao, ZHAO Yajie, LI Lei, LI Jingnan
Chinese Journal of Nursing . 2023, (1): 68 -73 .  DOI: 10.3761/j.issn.0254-1769.2023.01.009