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Public Library of Science (PLoS), 2009
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Informa UK Limited, 2007
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SAGE Publications, 2006
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Ovid Technologies (Wolters Kluwer Health), 2006
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Springer Science and Business Media LLC, 2005
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Springer Science and Business Media LLC, 2005
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Ovid Technologies (Wolters Kluwer Health), 2004
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Informa UK Limited, 2004
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Informa UK Limited, 2004
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SAGE Publications, 2002
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Ovid Technologies (Wolters Kluwer Health), 2000
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Ovid Technologies (Wolters Kluwer Health), 1983
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Informa UK Limited, 2023
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Springer Science and Business Media LLC, 2022
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Springer Science and Business Media LLC, 2022
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Springer Science and Business Media LLC, 2022
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Ovid Technologies (Wolters Kluwer Health), 2020
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Springer Science and Business Media LLC, 2019
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Springer Science and Business Media LLC, 2019
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Springer Science and Business Media LLC, 2019