@misc{indiciaee85231ef77be,
  title = {Clinical studies in spinal surgery.},
  author = {Beate Hanson and Branko Kopjar},
  year = {2005},
  doi = {10.1007/s00586-005-0926-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/15940476/},
  note = {Source identifier: 15940476}
}