*Vertices 4
1 "BritMedJ" 0.0 0.0 0.0 x_fact 1.753724 y_fact 46.539695
2 "Health" 0.0 0.0 0.0 x_fact 2.432585 y_fact 2.753159
3 "SocSciMed" 0.0 0.0 0.0 x_fact 10.710918 y_fact 42.240241
4 "SociolHealthIll" 0.0 0.0 0.0 x_fact 5.129172 y_fact 8.466906
*Matrix 
0.000000 0.231742 0.260960 0.260143 
0.231742 0.000000 0.874363 0.975945 
0.260960 0.874363 0.000000 0.806570 
0.260143 0.975945 0.806570 0.000000