Features of Elderly Outpatients Seeking Primary Care in the General Hospital
QIU Yan,LIU Ying,REN Wen,LIU Juan-juan,ZHU Lu,REN Jing-jing
Chinese General Practice . 2018, (22): 2686 -2689 .  DOI: 10.12114/j.issn.1007-9572.2018.00.049