?url_ver=Z39.88-2004&rft_id=10.1109%2FICIAS.2012.6306222&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=M.F.&rft.aulast=Khan&rft.au=Khan%2C+M.F.&rft.isbn=9781457719677&rft.title=On+low+back+pain%3A+Identification+of+structural+changes+in+system+parameters+for+fatigue+loaded+intervertebral+disc+using+PCA&rft.date=2012&rft.genre=proceeding