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1 "ActaNeurochir" 0.0 0.0 0.0 x_fact 3.780572 y_fact 4.361867
2 "AmJNeuroradiol" 0.0 0.0 0.0 x_fact 4.581467 y_fact 7.210214
3 "BritJNeurosurg" 0.0 0.0 0.0 x_fact 1.158285 y_fact 1.272391
4 "ChildNervSyst" 0.0 0.0 0.0 x_fact 1.050637 y_fact 1.898898
5 "JClinNeurosci" 0.0 0.0 0.0 x_fact 0.783672 y_fact 1.153979
6 "JKoreanNeurosurgS" 0.0 0.0 0.0 x_fact 0.025835 y_fact 0.271271
7 "JNeuroOncol" 0.0 0.0 0.0 x_fact 1.326214 y_fact 2.150792
8 "JNeurosurg" 0.0 0.0 0.0 x_fact 16.655184 y_fact 20.282897
9 "JNeurosurgSpine" 0.0 0.0 0.0 x_fact 1.048484 y_fact 1.522132
10 "MinimInvasNeurosur" 0.0 0.0 0.0 x_fact 0.714778 y_fact 0.831037
11 "NeurolMedChir" 0.0 0.0 0.0 x_fact 1.177661 y_fact 1.334826
12 "NeurolRes" 0.0 0.0 0.0 x_fact 0.734154 y_fact 0.951602
13 "NeurosurgRev" 0.0 0.0 0.0 x_fact 0.704013 y_fact 0.753531
14 "Neurosurgery" 0.0 0.0 0.0 x_fact 14.614192 y_fact 18.084740
15 "Spine" 0.0 0.0 0.0 x_fact 6.198329 y_fact 17.189115
16 "Stroke" 0.0 0.0 0.0 x_fact 5.522305 y_fact 16.177230
17 "SurgNeurol" 0.0 0.0 0.0 x_fact 4.097055 y_fact 4.553479
*Matrix 
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