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2000
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Baishideng Publishing Group Inc., 2005
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Baishideng Publishing Group Inc., 2005
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Baishideng Publishing Group Inc., 2005
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Elsevier BV, 1998
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Springer Science and Business Media LLC, 2004
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Elsevier BV, 2002
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Elsevier BV, 2000
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S. Karger AG, 2000
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Springer Science and Business Media LLC, 1999
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Elsevier BV, 2000