Role of Respiratory Out-patient Clinic Comprehensive Diagnosis and Treatment Center in Hierarchical Diagnosis and Treatment of Chronic Respiratory Diseases 
LI Fan,SHENG Chunfeng,GAO Zhen,JIANG Jiong,LIU Jun,ZHANG Jing
Chinese General Practice . 2018, (36): 4493 -4497 .  DOI: 10.12114/j.issn.1007-9572.2018.00.136