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Correspondence

Nature 455, 729 (9 October 2008) | doi:10.1038/455729b; Published online 8 October 2008

Open Innovation Challenges

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Playing the system puts self-citation's impact under review

James Testa1

  1. Thomson Reuters, 3501 Market Street, Philadelphia, Pennsylvania 19104, USA
    Email: james.testa@thomsonreuters.com

In reply to Tomás caron Opatrný's Correspondence 'Playing the system to give low-impact journals more clout' (Nature 455, 167; 2008), we would like to point out that the practice of journal self-citation is not new. Thomson Reuters is aware that some journals have used extensive reference to their prior content to influence their citation metrics.

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Playing the system to give low-impact journal more clout

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