*Vertices 2
1 "广州医学院学报" 0.0 0.0 0.0 x_fact 4.347826 y_fact 6.020067
2 "中华结核和呼吸杂志" 0.0 0.0 0.0 x_fact 0.000000 y_fact 93.979933
*Matrix 
0.000000 0.933346 
0.933346 0.000000