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2014
Nienaber, C. A., Willems, S. and Erdmann, E. (2014). Design of clinical Studies - New Approaches on the other side of randomized Investigations. Dtsch. Med. Wochenschr., 139 (39). S. 1921 - 1923. STUTTGART: GEORG THIEME VERLAG KG. ISSN 1439-4413