*Vertices 7
1 "AmJEpidemiol" 0.0 0.0 0.0 x_fact 5.755534 y_fact 12.492782
2 "AmJIndMed" 0.0 0.0 0.0 x_fact 1.058710 y_fact 3.246712
3 "AmJPublicHealth" 0.0 0.0 0.0 x_fact 5.960860 y_fact 11.754893
4 "JamaJAmMedAssoc" 0.0 0.0 0.0 x_fact 7.654796 y_fact 17.702919
5 "NewEnglJMed" 0.0 0.0 0.0 x_fact 5.133141 y_fact 17.664421
6 "Pediatrics" 0.0 0.0 0.0 x_fact 10.522939 y_fact 33.487328
7 "PublicHealthRep" 0.0 0.0 0.0 x_fact 2.970805 y_fact 3.650946
*Matrix 
0.000000 0.254924 0.396416 0.432098 0.331648 0.000000 0.488932 
0.254924 0.000000 0.000000 0.000000 0.000000 0.000000 0.428292 
0.396416 0.000000 0.000000 0.440437 0.286801 0.312005 0.829845 
0.432098 0.000000 0.440437 0.000000 0.715982 0.298246 0.450172 
0.331648 0.000000 0.286801 0.715982 0.000000 0.275266 0.344630 
0.000000 0.000000 0.312005 0.298246 0.275266 0.000000 0.499409 
0.488932 0.428292 0.829845 0.450172 0.344630 0.499409 0.000000