@misc{indiciaee860484fe350,
  title = {Respiratory muscle training in multiple sclerosis: a pilot study.},
  author = {R Olgiati and A Girr and L Hügi and V Haegi},
  year = {1989},
  url = {https://pubmed.ncbi.nlm.nih.gov/2467371/},
  note = {Source identifier: 2467371}
}