Association of Obesity with Cardiorespiratory Fitness in Patients with Type 2 Diabetes Mellitus 
BI Lina,ZHENG Xin,QI Yanyan,HU Su,ZHAO Dan,LI Chang,ZHANG Yan
Chinese General Practice . 2021, (27): 3420 -3423 .  DOI: 10.12114/j.issn.1007-9572.2021.00.496