*Vertices 4
1 "AmJPublicHealth" 0.0 0.0 0.0 x_fact 4.599057 y_fact 26.238208
2 "BirthIssPerinatC" 0.0 0.0 0.0 x_fact 1.149764 y_fact 3.714623
3 "BritJPsychiat" 0.0 0.0 0.0 x_fact 1.208726 y_fact 18.543632
4 "SocSciMed" 0.0 0.0 0.0 x_fact 11.025943 y_fact 51.503538
*Matrix 
0.000000 0.000000 0.000000 0.396085 
0.000000 0.000000 0.000000 0.000000 
0.000000 0.000000 0.000000 0.000000 
0.396085 0.000000 0.000000 0.000000