Prevalence and Severity of Chronic Multimorbidity among Older People in an Urban-village of Shenzhen City:a Preliminary Study 
HUANG Wen-jing1,2,QIU Shan-jiao2,GONG Wei-hong2,HUANG Ze-jun2,WANG Jia-ji1*,YANG Hui1,3,4
Chinese General Practice . 2018, (16): 2009 -2012 .  DOI: 10.3969/j.issn.1007-9572.2018.16.021