TY - RPRT TI - Loads on an internal spinal fixation device during physical therapy. AU - Antonius Rohlmann AU - Friedmar Graichen AU - Georg Bergmann PY - 2002 DO - 10.1093/ptj/82.1.44 UR - https://pubmed.ncbi.nlm.nih.gov/11784277/ ID - 11784277 ER -