Osseointegrative effect of rhBMP-2 covalently bound on a titan-plasma-spray-surface after modification with chromosulfuric acid in a large animal bone gap-healing model with the Göttingen minipig - Lingner, Manuel; Seidling, Roland; Lehmann, Lars; Mauermann, Eckhard; Obertacke, Udo; Schwarz, Markus (Biomed Central, 2018)