Practical Geriatrics
Characteristics and trends of chronic pain among the Chinese elderly——based on China Health and Retirement Longitudinal Study
LUO Er-dan, WANG Yao, BIAN Ying
Practical Geriatrics . 2021, (7): 684 -687 .  DOI: 10.3969/j.issn.1003-9198.2021.07.006