The Weekend Outpatient Services Delivered by Community Healthcare Institutions in Shanghai 
ZHANG Jingya,WAN Heping,QIN Yan,TAO Lei,WANG Hong,SU Lina,LIU Jingjing,SUN Xinran
Chinese General Practice . 2019, (34): 4209 -4212 .  DOI: 10.12114/j.issn.1007-9572.2019.00.501