Force and Effect of Policies Associated with the Implementation of Hierarchical Diagnosis and Treatment in China 
WU Qinde, XIE Xianyu, WU Yong, CHEN Congbo, DENG Weiwei, WU Shaoyan
Chinese General Practice . 2021, (34): 4293 -4300 .  DOI: 10.12114/j.issn.1007-9572.2021.00.253