A novel biodegradable polymer-coated sirolimus-eluting stent: 1-year results of the HELIOS registry oleh Bo Zheng, Yi Liu, Ruining Zhang, Wangwei Yang, Fangju Su, Rutao Wang, Dapeng Chen, Guidong Shen, Yumin Qiu, Lianmin Wang, Chang Chen, Zhongwei Wu, Fei Li, Jiayi Li, Chengxiang Li, Chao Gao, Ling Tao, for the HELIOS Investigators, Yanjie Yin, Xiuyuan Hao