*Vertices 8
1 "上海第二医科大学学报" 0.0 0.0 0.0 x_fact 1.392111 y_fact 10.904872
2 "中华麻醉学杂志" 0.0 0.0 0.0 x_fact 15.545244 y_fact 48.027842
3 "军医进修学院学报" 0.0 0.0 0.0 x_fact 0.232019 y_fact 9.280742
4 "中国胸心血管外科临床杂志" 0.0 0.0 0.0 x_fact 4.872390 y_fact 10.904872
5 "临床心血管病杂志" 0.0 0.0 0.0 x_fact 4.408353 y_fact 10.904872
6 "实用诊断与治疗杂志" 0.0 0.0 0.0 x_fact 0.232019 y_fact 2.552204
7 "中国体外循环杂志" 0.0 0.0 0.0 x_fact 2.088167 y_fact 5.104408
8 "中国基层医药" 0.0 0.0 0.0 x_fact 0.000000 y_fact 2.320186
*Matrix 
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0.231265 0.221063 0.000000 0.378196 0.000000 0.000000 0.000000 0.000000 
0.000000 0.000000 0.000000 0.000000 0.418052 0.000000 0.000000 0.000000