Dickkopf-1 as a novel predictor is associated with risk stratification by GRACE risk scores for predictive value in patients with acute coronary syndrome: a retrospective research. oleh Lin Wang, Xiao Bo Hu, Wei Zhang, Lin Di Wu, Yu Sheng Liu, Bo Hu, Cheng Long Bi, Yi Fei Chen, Xin Xin Liu, Cheng Ge, Yun Zhang, Mei Zhang