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DRG upcoding in German neonatologyWuppertal : Bergische Univ. Wuppertal, 2014
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selection versus causationWuppertal : Bergische Universität Wuppertal, 21. Dezember 2016Consistently wrong: Neoclassical micro-foundations and the macroeconomic policy ineffectiveness hypothesis
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Jülich : Forschungszentrum Jülich GmbH, Zentralbibliothek, Verlag, [2017], copyright 2017