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[S.l.]: SSRN, 2022
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Springer Science and Business Media LLC, 2008
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Ovid Technologies (Wolters Kluwer Health), 2006
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Ovid Technologies (Wolters Kluwer Health), 2004
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Georg Thieme Verlag KG, 1998
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BMJ Publishing Group, 2004
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BMJ, 2004
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Ovid Technologies (Wolters Kluwer Health), 2002
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Elsevier BV, 2007
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Springer Science and Business Media LLC, 2003
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Informa UK Limited, 2000
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Elsevier BV, 1989
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SAGE Publications, 2021
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Springer Science and Business Media LLC, 2012
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Informa UK Limited, 2012
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Wiley, 2011
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BMJ Publishing Group, 2011
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BMJ, 2011
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BMJ, 2011
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BMJ Publishing Group, 2011