First-contact Care and Influencing Factors in Community Health Institutions among Elderly Patients:a Survey from Wuxi Implementing the "Upgraded" Family Doctor System 
SHI Huawei,LI Juan,LIANG Yahao
Chinese General Practice . 2020, (18): 2318 -2323 .  DOI: 10.12114/j.issn.1007-9572.2020.00.100