Overall Status and Urban-suburban Comparative Analysis of Outpatient Management of Undifferentiated Diseases by Community General Practitioners,Shanghai 
ZHANG Hanzhi,HAN Yiping,JIN Hua,CHEN Yuge,SHI Jianwei,CHEN Yang,MA Le,YU Dehua
Chinese General Practice . 2021, (7): 855 -863 .  DOI: 10.12114/j.issn.1007-9572.2020.00.408