*Vertices 4
1 "AmJPublicHealth" 0.0 0.0 0.0 x_fact 8.690380 y_fact 25.990299
2 "JHistMedAllSci" 0.0 0.0 0.0 x_fact 3.314470 y_fact 3.476152
3 "JamaJAmMedAssoc" 0.0 0.0 0.0 x_fact 3.920776 y_fact 68.148747
4 "Psychiatry" 0.0 0.0 0.0 x_fact 1.455133 y_fact 2.384802
*Matrix 
0.000000 0.630064 0.494358 0.373446 
0.630064 0.000000 0.848949 0.952046 
0.494358 0.848949 0.000000 0.841131 
0.373446 0.952046 0.841131 0.000000