*Vertices 4
1 "中华检验医学杂志" 0.0 0.0 0.0 x_fact 2.868852 y_fact 35.655738
2 "临床检验杂志" 0.0 0.0 0.0 x_fact 3.893443 y_fact 22.745902
3 "标记免疫分析与临床" 0.0 0.0 0.0 x_fact 5.942623 y_fact 7.786885
4 "放射免疫学杂志" 0.0 0.0 0.0 x_fact 7.786885 y_fact 33.811475
*Matrix 
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0.250630 0.000000 0.447490 0.000000 
0.492121 0.447490 0.000000 0.787552 
0.000000 0.000000 0.787552 0.000000