目的老年冠心病和高血压患者再发急性心肌梗死（AMI）和心原性猝死（SCD）等心脏事件的危险较大，我们研究这些患者的有关临床特征对再发心脏......

This paper analyzes the importance of past in the two short stories. The past stories on Charlie in “Babylon Revisited......