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Humphrey, S.M.: Use and management of classification systems for knowledge-based indexing (1992)
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Humphrey, S.M.: Knowledge-based systems for indexing (1994)
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Humphrey, S.M.: Indexing biomedical documents : from thesaural to knowledge-based retrieval systems (1992)
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Haynes, S.L.: Too much information can leave you powerless : is today's information infirmation? (1996)
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Swanson, D.R.; Smalheiser, N.R.; Torvik, V.I.: Ranking indirect connections in literature-based discovery : the role of Medical Subject Headings (2006)
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