@misc{indiciae361a756220ac,
  title = {Active treatment programs for patients with chronic low back pain: a prospective, randomized, observer-blinded study.},
  author = {A F Bendix and T Bendix and S Ostenfeld and E Bush and Andersen},
  year = {1995},
  doi = {10.1007/bf00298239},
  url = {https://pubmed.ncbi.nlm.nih.gov/7552649/},
  note = {Source identifier: 7552649}
}