Maxillary sinus grafting with a nano-structured biomaterial: Preliminary clinical and histological results. Stübinger S, Ghanaati S, Orth C, Hilbing U, Saldamli B, Biesterfeld S, Kirkpatrick CJ, Sader RA Eur Surg Res 2009;42:143-149 (Grant CF2006-3.003F) SOURCE