Associations of Plasma Glucagon Levels with Estimated Glomerular Filtration Rate, Albuminuria and Diabetic Kidney Disease in Patients with Type 2 Diabetes Mellitus oleh Hua-Xing Huang, Liang-Lan Shen, Hai-Yan Huang, Li-Hua Zhao, Feng Xu, Dong-Mei Zhang, Xiu-Lin Zhang, Tong Chen, Xue-Qin Wang, Yan Xie, Jian-Bin Su