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Buntrock, R.E.: MEDLINE on the Internet : "healthier" than before? (1997)
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Nicholls, P.: CD-ROM market directories ondisc : will that be six of one or a half dozen of the other? (1993)
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Stuart, S.J.; Powell, T.; Humphreys, B.L.: ¬The Unified Medical Language System (UMLS) project (2002)
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O'Leary, M.: ProQuest direct delivers UMI goods (1996)
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Jacobs, M.: Criteria for evaluating alternative MEDLINE search engines (1998)
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