FIELD RANKINGS FOR BY RELATIVE CITATION IMPACT |
SOURCE: Thomson Reuters Essential Science Indicators, January 1999–December 2009 |
The data above were extracted from the Essential Science Indicators database of Thomson Reuters. The database, currently covering the period January 1999 through December 2009, surveys only journal articles (original research reports and review articles) indexed by Thomson Reuters. Articles are assigned to a category based on the journals in which they were published and the journal-to-category field definition scheme used by Thomson Reuters. Both articles tabulated and citation counts to those articles are for the period indicated.
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