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1991
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Heidelberg: Springer; Kiel, Hamburg: ZBW – Leibniz Information Centre for Economics, 1998
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Kiel: Kiel Institute of World Economics (IfW); Kiel, Hamburg: ZBW - Deutsche Zentralbibliothek für Wirtschaftswissenschaften, Leibniz-Informationszentrum Wirtschaft, 1998
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June 12, 2020
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September 19, 2023
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MDPI AG, 2023
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MDPI AG, 2022
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Springer Science and Business Media LLC, 2013
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Springer Science and Business Media LLC, 2023
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Wiley, 2023
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Elsevier BV, 2019
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Ovid Technologies (Wolters Kluwer Health), 2008
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MDPI AG, 2023
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American Society of Clinical Oncology (ASCO), 2018
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Impact Journals, LLC, 2017
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JMIR Publications Inc., 2017
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Springer Science and Business Media LLC, 2015
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American Society of Clinical Oncology (ASCO), 2014
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Springer Science and Business Media LLC, 2020
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American Society of Clinical Oncology (ASCO), 2020