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2 "AnaesthIntensCare" 0.0 0.0 0.0 x_fact 1.807599 y_fact 1.927606
3 "Anaesthesia" 0.0 0.0 0.0 x_fact 3.163674 y_fact 4.198731
4 "AnesthAnalg" 0.0 0.0 0.0 x_fact 7.540915 y_fact 10.686588
5 "Anesthesiology" 0.0 0.0 0.0 x_fact 4.780763 y_fact 8.778483
6 "BritJAnaesth" 0.0 0.0 0.0 x_fact 4.795764 y_fact 5.908825
7 "BritMedJ" 0.0 0.0 0.0 x_fact 2.703149 y_fact 6.288346
8 "CanJAnaesth" 0.0 0.0 0.0 x_fact 2.688148 y_fact 3.130672
9 "Circulation" 0.0 0.0 0.0 x_fact 6.403852 y_fact 16.919431
10 "CritCareMed" 0.0 0.0 0.0 x_fact 4.845266 y_fact 8.268455
11 "IntensCareMed" 0.0 0.0 0.0 x_fact 4.141728 y_fact 5.659811
12 "JTrauma" 0.0 0.0 0.0 x_fact 1.326073 y_fact 4.254234
13 "JamaJAmMedAssoc" 0.0 0.0 0.0 x_fact 3.993220 y_fact 6.772873
14 "Lancet" 0.0 0.0 0.0 x_fact 3.898714 y_fact 7.323403
15 "NewEnglJMed" 0.0 0.0 0.0 x_fact 3.066169 y_fact 6.369350
*Matrix 
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