RETRACTED: Altitude Cardiomyopathy Is Associated With Impaired Stress Electrocardiogram and Increased Circulating Inflammation Makers oleh Ya-Jun Shi, Jin-Li Wang, Ling Gao, Dong-Lin Wen, Qing Dan, Ying Dong, Ya-Tao Guo, Cheng-Hui Zhao, Teng-Jing Li, Jun Guo, Zong-Bin Li, Yun-Dai Chen