Prevalence and Healthcare-Seeking for Common Diseases and Associated Factors in Elderly Migrants in China 
HUO Tianqi,YAN Xiao,GUO Jun,GUO Qingfang,XIAO Gexin
Chinese General Practice . 2021, (22): 2785 -2792 .  DOI: 10.12114/j.issn.1007-9572.2021.00.240