Prevalence and Spatial Analysis of Chronic Comorbidity among Chinese Middle-aged and Elderly People

WANG Hao, ZHANG Lin, FANG Xiaoya, DENG Ruyue, YAO Jun
Chinese General Practice . 2022, (10): 1186 -1190 .  DOI: 10.12114/j.issn.1007-9572.2022.0127