*Vertices 19
1 "AmJSurg" 0.0 0.0 0.0 x_fact 4.348137 y_fact 4.950933
2 "AnnSurg" 0.0 0.0 0.0 x_fact 4.092448 y_fact 5.282329
3 "AnnSurgOncol" 0.0 0.0 0.0 x_fact 6.187953 y_fact 7.227849
4 "ArchSurgChicago" 0.0 0.0 0.0 x_fact 2.226920 y_fact 2.522605
5 "BritJSurg" 0.0 0.0 0.0 x_fact 3.343951 y_fact 4.348137
6 "Cancer" 0.0 0.0 0.0 x_fact 2.415473 y_fact 4.518120
7 "CritCareMed" 0.0 0.0 0.0 x_fact 3.446798 y_fact 7.350694
8 "DisColonRectum" 0.0 0.0 0.0 x_fact 2.788293 y_fact 4.730955
9 "GastrointestEndosc" 0.0 0.0 0.0 x_fact 1.502707 y_fact 5.596583
10 "JAmCollSurgeons" 0.0 0.0 0.0 x_fact 4.122445 y_fact 4.702387
11 "JTrauma" 0.0 0.0 0.0 x_fact 2.714014 y_fact 6.139386
12 "JVascSurg" 0.0 0.0 0.0 x_fact 2.611167 y_fact 6.510777
13 "JamaJAmMedAssoc" 0.0 0.0 0.0 x_fact 2.562601 y_fact 4.832374
14 "Lancet" 0.0 0.0 0.0 x_fact 2.609739 y_fact 6.077964
15 "NewEnglJMed" 0.0 0.0 0.0 x_fact 2.405474 y_fact 5.446598
16 "ObesSurg" 0.0 0.0 0.0 x_fact 1.558416 y_fact 4.182439
17 "SurgEndosc" 0.0 0.0 0.0 x_fact 4.795235 y_fact 6.817890
18 "Surgery" 0.0 0.0 0.0 x_fact 3.042553 y_fact 3.571071
19 "WorldJSurg" 0.0 0.0 0.0 x_fact 4.613824 y_fact 5.190909
*Matrix 
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0.308902 0.279381 0.000000 0.300224 0.000000 0.000000 0.309216 0.000000 0.000000 0.357007 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.401205 0.265032 
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0.940906 0.920367 0.796142 0.888054 0.850799 0.343786 0.000000 0.517537 0.000000 0.874942 0.265032 0.245006 0.000000 0.000000 0.229640 0.000000 0.579656 0.922596 0.000000