Authors: Grifka, JK Kalteis, T Broll-Zeitvogel, E Philippou, S Plitz, W

Citation: Jk. Grifka et al., Biomechanical investigations on chondromalacia of the knee after meniscal flap lesion and partial meniscal resection: An experimental model, J ORTHOP R, 18(3), 2000, pp. 393-398

Authors: Broll-Zeitvogel, E Tyws, J Muller, AM Grifka, J

Citation: E. Broll-zeitvogel et al., Gonarthrosis treatment according to the "knee school" method - A prospective randomized study, OSTERARTHRITIS, 2000, pp. 176-183

Authors: Grifka, J Witte, H Faustmann, P Heers, G Broll-Zeitvogel, E

Citation: J. Grifka et al., Topographical principles and peculiarities of operative access in lumbar disc extrusion, ORTHOPADE, 28(7), 1999, pp. 572-578

Authors: Grifka, J Broll-Zeitvogel, E Anders, S

Citation: J. Grifka et al., Injection therapy in lumbar syndromes, ORTHOPADE, 28(11), 1999, pp. 922-931

Authors: Broll-Zeitvogel, E Grifka, J Bauer, J Roths, PH Degryse, P

Citation: E. Broll-zeitvogel et al., Medical training therapy in lumbar syndromes, ORTHOPADE, 28(11), 1999, pp. 932-938