*Vertices 3
1 "中风与神经疾病杂志" 0.0 0.0 0.0 x_fact 16.666667 y_fact 25.974026
2 "中华神经科杂志" 0.0 0.0 0.0 x_fact 1.948052 y_fact 22.727273
3 "临床神经病学杂志" 0.0 0.0 0.0 x_fact 13.852814 y_fact 51.298701
*Matrix 
0.000000 0.784376 0.553188 
0.784376 0.000000 0.305271 
0.553188 0.305271 0.000000