@misc{indiciaef36290241381,
  title = {Amitriptyline and chronic low-back pain. A randomized double-blind crossover study.},
  author = {H Pheasant and A Bursk and J Goldfarb and S P Azen and J N Weiss and L Borelli},
  doi = {10.1097/00007632-198307000-00012},
  url = {https://pubmed.ncbi.nlm.nih.gov/6228015/},
  note = {Source identifier: 6228015}
}