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A premature baby sleeps in an incubator in the natal intensive care unit. REUTERS/Jorge Silva


Essential Science IndicatorsSM from Thomson Reuters provides citation rankings of scientists, institutions, countries, and journals broken out by broad fields of science.

A citation threshold is applied to each field ranking: scientists and institutions are selected if they are in the top 1% by total citations in a given field, and countries and journals must be in the top 50%. A total of 10 years of Thomson Reuters citation data, plus some number of consecutive bimonthly periods during the current year, are used to determine the rankings.

Since Essential Science Indicators is updated every two months, it is possible to identify new entrants to the rankings, i.e., those scientists, institutions, countries, and journals appearing for the first time in a field ranking. The information found in the links below provide information on the most-cited of these new entrants in each field, for the most recent bimonthly update, and for earlier updates as well. For details on citation scores, papers, and time-series performance for these new entrants, see Essential Science Indicators.

 
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A premature baby sleeps in an incubator in the natal intensive care unit. REUTERS/Jorge Silva.

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