Shrunken Pore Syndrome: A New and More Powerful Phenotype of Renal Dysfunction Than Chronic Kidney Disease for Predicting Contrast‐Associated Acute Kidney Injury oleh Li‐Wei Zhang, Man‐Qing Luo, Xian‐Wei Xie, Zhe‐Bin You, Ji‐Lang Zeng, Mao‐Qing Lin, Li‐Chuan Chen, Kai‐Yang Lin, Yan‐Song Guo