Department of Spine Orthopedics and Biomechanics, W. Dega University Hospital, University of Medical Sciences, 28 Czerwca 1956 135/147, 61-545 Poznan, Poland
Department of Spine Orthopedics and Biomechanics, W. Dega University Hospital, University of Medical Sciences, 28 Czerwca 1956 135/147, 61-545 Poznan, Poland