T. Niemeyer

Comparative analysis of pedicle screw and hook instrumentation in posterior correction and fusion of idiopathic thoracic scoliosis

U. Liljenqvist, H. Halm, T. Niemeyer, 2002, European Spine Journal.

Segmental pedicle screw instrumentation in idiopathic thoracolumbar and lumbar scoliosis

U. Liljenqvist, H. Halm, T. Niemeyer, 2000, European Spine Journal.

Halm-Zielke instrumentation for primary stable anterior scoliosis surgery: operative technique and 2-year results in ten consecutive adolescent idiopathic scoliosis patients within a prospective clinical trial

U. Liljenqvist, W. Winkelmann, H. Halm, 1998, European Spine Journal.