Association between the Albumin-to-Globulin Ratio and Atrial Fibrillation in Patients with Hypertrophic Cardiomyopathy oleh Zhongyu Yuan, Ke Zhang, Haiwei Li, Shengwei Wang, Xiaoyan Li, Weiping Sun, Fei Hang, Yingchen Mei, Rui Han, Changhua Wang, Yongqiang Lai, Yongquan Wu, Xiaoping Zhang