Assessment of the Implementation of Hierarchical Medical System in Shanghai from a Multi-stakeholder Perspective:a Systematic Review 
YANG Sen,WANG Zhao-xin,JIN Hua,GE Xu-hua,ZHANG Han-zhi,ZHANG Bin,LU Yuan,MA Le,YU De-hua
Chinese General Practice . 2018, (22): 2672 -2678 .  DOI: 10.12114/j.issn.1007-9572.2018.22.006