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Gerhardt-Szep S, Werelius K, de Weerth F, Heidemann D, Weigl P.Gerhardt-Szep S, et al. Among authors: heidemann d.J Biomed Mater Res B Appl Biomater. 2012 Jan;100(1):177-84. doi: 10.1002/jbm.b.31936. Epub 2011 Nov 18.J Biomed Mater Res B Appl Biomater. 2012.PMID: 22102416