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UMI introduces new ProQuest databases (1998)
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Dow Jones unveils knowledge indexing system (1997)
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Abt, H.A.; Garfield, E.: Is the relationship between numbers of references and paper lengths the same for all sciences? (2002)
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Kohl, D.F.: OhioLINK: a statewide system raises new issues and opportunities for cooperation (1994)
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Zhang, J.; Yu, Q.; Zheng, F.; Long, C.; Lu, Z.; Duan, Z.: Comparing keywords plus of WOS and author keywords : a case study of patient adherence research (2016)
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