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Oszwald, M; Citak, M; Kendoff, D; Kowal, J; Amstutz, C; Kirchhoff, T; Nolte, L P; Krettek, C; Hüfner, T (2008). Accuracy of navigated surgery of the pelvis after surface matching with an a-mode ultrasound probe. Journal of orthopaedic research, 26(6), pp. 860-4. Hoboken, N.J.: Wiley 10.1002/jor.20551
Oszwald, M; Citak, M; Kowal, J; Amstutz, C; Kendoff, D; Kirchhoff, T; Nolte, L P; Krettek, C; Hüfner, T (2008). [A-mode ultrasonic pointer for navigated pelvic surgery]. Unfallchirurg, 111(3), pp. 162-6. Heidelberg: Springer-Medizin-Verlag 10.1007/s00113-007-1382-8
Jost, B; Cripton, P A; Lund, T; Oxland, T R; Lippuner, K; Jaeger, P; Nolte, L P (1998). Compressive strength of interbody cages in the lumbar spine: the effect of cage shape, posterior instrumentation and bone density. European spine journal, 7(2), pp. 132-41. Berlin: Springer 10.1007/s005860050043
Bühler, D W; Berlemann, U; Lippuner, K; Jaeger, P; Nolte, L P (1997). Three-dimensional primary stability of cementless femoral stems. Clinical biomechanics, 12(2), pp. 75-86. Kidlington, UK: Elsevier 10.1016/S0268-0033(96)00059-9
Oxland, T R; Lund, T; Jost, B; Cripton, P; Lippuner, K; Jaeger, P; Nolte, L P (1996). The relative importance of vertebral bone density and disc degeneration in spinal flexibility and interbody implant performance. An in vitro study. Spine, 21(22), pp. 2558-69. Hagerstown, Md.: Lippincott Williams & Wilkins 10.1097/00007632-199611150-00005
Berlemann, U; Cripton, P; Nolte, L P; Lippuner, K; Schläpfer, F (1995). New means in spinal pedicle hook fixation. A biomechanical evaluation. European spine journal, 4(2), pp. 114-22. Berlin: Springer 10.1007/BF00278923
