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FIELD RANKINGS FOR GREECE, 1999-2009,  BY RELATIVE CITATION IMPACT

Rank Field Papers Citations Citations/ Paper World Cites/Paper % +/- 1 Agricultural Sciences 2,283 18,418 8.07 6.73 +20 2 Physics 6,904 63,891 9.25 8.82 + 5 3 Chemistry 7,307 75,576 10.34 10.61 - 3 3 Geosciences 2,396 21,915 9.15 9.39 - 3 5 Engineering 8,560 35,629 4.16 4.43 - 6 5 Mathematics 2,140 6,710 3.14 3.34 - 6 7 Materials Science 2,724 15,918 5.84 6.44 - 9 8 Plant/Animal Sciences 3,779 22,717 6.01 7.49 -20 9 Molecular Biology 1,245 24,881 19.98 25.63 -22 10 Clinical Medicine 21,496 198,738 9.25 12.63 -27 11 Environment/Ecology 2,492 18,901 7.58 10.70 -29 12 Computer Science 3,931 9,362 2.38 3.45 -31 12 Pharmacology 1,206 9,833 8.15 11.80 -31 14 Microbiology 855 8,950 10.47 15.60 -33 15 Space Science 1,228 11,092 9.03 14.10 -36 16 Immunology 721 9,738 13.51 21.50 -37 17 Biochemistry 3,206 33,354 10.40 17.04 -39 18 Economics and Business 1,053 3,407 3.24 5.72 -43 19 Neurosciences 1,301 13,502 10.38 19.07 -46 19 Psychiatry/Psychology 923 5,317 5.76 10.74 -46

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.

Greece ranks 27th in output, 28th in citations received, and 24th in citations per paper (among nations publishing 50,000 or more papers during the period) across the science and social science fields surveyed in Essential Science Indicators. The table above ranks fields for Greece by relative citation impact, that is, citations per paper for Greece in a field compared with the world’s citations per paper score in the same field. Greece’s percentage above or below the world average is presented in the column at far right. Areas of strength for Greece, according to this measure, are Agricultural Sciences and Physics. For more information on the Thomson Reuters Essential Science Indicators database, see:http://scientific.thomsonreuters.com/products/esi

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