| Year | Impact Factor | Rank |
|
|---|---|---|---|
| Oncology | Clinical neurology | ||
| 2010 | 5.483 | 24 of 184 | 15 of 185 |
| 2009 | 4.984 | 26 of 165 | 17 of 167 |
| 2008 | 5.000 | 25 of 141 | 15 of 156 |
| 2007 | 5.806 | 16 of 132 | 6 of 146 |
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