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2 "AmJObstetGynecol" 0.0 0.0 0.0 x_fact 4.029313 y_fact 7.446758
3 "Anaesthesia" 0.0 0.0 0.0 x_fact 4.280700 y_fact 5.902860
4 "AnesthAnalg" 0.0 0.0 0.0 x_fact 9.322677 y_fact 15.007352
5 "Anesthesiology" 0.0 0.0 0.0 x_fact 5.414315 y_fact 9.768534
6 "BjogIntJObstetGy" 0.0 0.0 0.0 x_fact 2.568420 y_fact 3.758953
7 "BritJAnaesth" 0.0 0.0 0.0 x_fact 5.900489 y_fact 7.807238
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9 "CanJAnaesth" 0.0 0.0 0.0 x_fact 3.526538 y_fact 4.249870
10 "IntJObstetAnesth" 0.0 0.0 0.0 x_fact 1.849832 y_fact 2.167623
11 "JClinAnesth" 0.0 0.0 0.0 x_fact 2.798463 y_fact 2.940758
12 "Lancet" 0.0 0.0 0.0 x_fact 4.444339 y_fact 10.202533
13 "NewEnglJMed" 0.0 0.0 0.0 x_fact 2.466442 y_fact 7.515534
14 "ObstetGynecol" 0.0 0.0 0.0 x_fact 6.348717 y_fact 10.060238
15 "RegionAnesthPainM" 0.0 0.0 0.0 x_fact 1.619788 y_fact 1.968411
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