Bi-directional Referrals for Diabetes:a Survey in the Public Medical Institutions of Pudong New Area,Shanghai 
HUANG Dazhi,DING Yibiao,DU Zhaohui
Chinese General Practice . 2020, (36): 4567 -4572 .  DOI: 10.12114/j.issn.1007-9572.2020.00.586