@misc{indiciae05032f2daac9,
  title = {Difficulties in a multipractice study.},
  author = {N Damsbo and J Olsen},
  year = {1983},
  doi = {10.3109/02813438309038481},
  url = {https://pubmed.ncbi.nlm.nih.gov/6545041/},
  note = {Source identifier: 6545041}
}