Role of Smartphone-based D2P-COPD Platform in the Hierarchical Diagnosis and Treatment of Chronic Obstructive Pulmonary Disease 
LI Fan,GAO Zhen,SHENG Chunfeng,JIANG Jiong,LI Wanling,LIU Jun,ZHANG Jing
Chinese General Practice . 2018, (30): 3730 -3734 .  DOI: 10.12114/j.issn.1007-9572.2018.00.030