*Vertices 11
1 "ActaAnaesthScand" 0.0 0.0 0.0 x_fact 4.544146 y_fact 5.349948
2 "Anaesthesia" 0.0 0.0 0.0 x_fact 4.190169 y_fact 6.175895
3 "AnesthAnalg" 0.0 0.0 0.0 x_fact 12.961897 y_fact 18.996777
4 "Anesthesiology" 0.0 0.0 0.0 x_fact 8.227812 y_fact 15.897318
5 "BritJAnaesth" 0.0 0.0 0.0 x_fact 6.869460 y_fact 9.004835
6 "CanJAnaesth" 0.0 0.0 0.0 x_fact 4.429032 y_fact 5.278002
7 "JNeurosurg" 0.0 0.0 0.0 x_fact 1.061932 y_fact 6.213307
8 "JamaJAmMedAssoc" 0.0 0.0 0.0 x_fact 0.333832 y_fact 5.666513
9 "Pain" 0.0 0.0 0.0 x_fact 2.100840 y_fact 7.790376
10 "RegionAnesthPainM" 0.0 0.0 0.0 x_fact 3.372856 y_fact 3.997352
11 "Spine" 0.0 0.0 0.0 x_fact 2.066306 y_fact 15.629677
*Matrix 
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