Outpatient Expenses among Diabetic Patients Treated in Community Health Centers:an Investigation based on BCDS 
XU Nan,WANG Mei,LIU Xiaodong,GU Xuefei,LI Tingting,YUAN Shenyuan,YUAN Mingxia
Chinese General Practice . 2021, (16): 2028 -2033 .  DOI: 10.12114/j.issn.1007-9572.2021.00.202