*Vertices 2
1 "首都医科大学学报" 0.0 0.0 0.0 x_fact 9.615385 y_fact 14.743590
2 "中华妇产科杂志" 0.0 0.0 0.0 x_fact 0.000000 y_fact 85.256410
*Matrix 
0.000000 0.882353 
0.882353 0.000000