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Uttner I, Kraft E, Nowak DA, Müller F, Philipp J, Zierdt A, Hermsdörfer J.Uttner I, et al. Among authors: zierdt a.Motor Control. 2007 Jan;11(1):16-28.Motor Control. 2007.PMID: 17392565
Jasper I, Roenneberg T, Häussler A, Zierdt A, Marquardt C, Hermsdörfer J.Jasper I, et al. Among authors: zierdt a.Chronobiol Int. 2010 May;27(3):653-73. doi: 10.3109/07420521003663793.Chronobiol Int. 2010.PMID: 20524807