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Washington, D.C: World Bank, 2000 ; Online-Ausg.
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London: BioMed Central, 2019
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Elsevier BV, 1977
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Wiley, 1995
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Elsevier BV, 1980
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Wiley, 1992
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Wiley, 1992
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Springer Science and Business Media LLC, 2019
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Elsevier BV, 2022
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Elsevier BV, 2022
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Ovid Technologies (Wolters Kluwer Health), 2017
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Oxford University Press (OUP), 2015