Morphogenetic activity of silica and bio-silica on the expression of genes controlling biomineralization using SaOS-2 Cells - Müller, Werner E. G; Boreiko, Alexandra; Wang, Xiaojing; Krasko, Anatoli; Geurtsen, Werner; Custodio, Marcio Reis; Winkler, Thomas; Lukić-Bilela, Bilela; Link, Thorben; Schröder, Heinz-C (Calcified Tissue International, 2007)