Evaluation of the middle and inner ear structures: comparison of hybrid rendering, virtual endoscopy and axial 2D source images. - Seemann,M.D.; Seemann,O.; Bonél,H.; Suckfüll,M.; Englmeier,K.H.; Naumann,A.; Allen,C.M.; Reiser,M.F. (Eur Radiol, 1999)