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Elsevier BV, 2009
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Elsevier BV, 2006
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Health Affairs (Project Hope), 2005
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Ovid Technologies (Wolters Kluwer Health), 2001
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Ovid Technologies (Wolters Kluwer Health), 2001
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Ovid Technologies (Wolters Kluwer Health), 1998
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Elsevier BV, 1987
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Elsevier BV, 1997
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Elsevier BV, 2022
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Ovid Technologies (Wolters Kluwer Health), 2016
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Ovid Technologies (Wolters Kluwer Health), 2015
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Cambridge University Press (CUP), 2013
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Elsevier BV, 2011
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Elsevier BV, 2009
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Ovid Technologies (Wolters Kluwer Health), 2001
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Ovid Technologies (Wolters Kluwer Health), 1997
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Springer Science and Business Media LLC, 2021
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American Medical Association (AMA), 2019
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Elsevier BV, 2019
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Ovid Technologies (Wolters Kluwer Health), 2018