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Offenburg, 2020
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[S.l.]: SSRN, 2002
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[S.l.]: SSRN, 2001
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Walter de Gruyter GmbH, 2005
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Elsevier BV, 2002
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Elsevier BV, 2001
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Det Kgl. Bibliotek/Royal Danish Library, 2018
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Cambridge University Press (CUP), 2018
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Cambridge University Press (CUP), 2013
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Cambridge University Press (CUP), 2012
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Wiley, 2005
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Wiley, 2004
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Wiley, 2020
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European Centre for Disease Control and Prevention (ECDC), 2020
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Elsevier BV, 2020
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Elsevier BV, 2009
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Public Library of Science (PLoS), 2009
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Informa UK Limited, 2020
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American Academy of Pediatrics (AAP), 2017
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Elsevier BV, 2016