*Vertices 4
1 "BritMedJ" 0.0 0.0 0.0 x_fact 1.755711 y_fact 46.592411
2 "HealthSociolRev" 0.0 0.0 0.0 x_fact 2.303190 y_fact 3.360393
3 "SocSciMed" 0.0 0.0 0.0 x_fact 10.194450 y_fact 41.759487
4 "SociolHealthIll" 0.0 0.0 0.0 x_fact 4.946196 y_fact 8.287710
*Matrix 
0.000000 0.330363 0.261007 0.260462 
0.330363 0.000000 0.767377 0.764164 
0.261007 0.767377 0.000000 0.806757 
0.260462 0.764164 0.806757 0.000000