@misc{indiciae6646e7daa464,
  title = {Long-term phonatory instability in individuals with multiple sclerosis.},
  author = {L Hartelius and E H Buder and E A Strand},
  year = {1997},
  doi = {10.1044/jslhr.4005.1056},
  url = {https://pubmed.ncbi.nlm.nih.gov/9328877/},
  note = {Source identifier: 9328877}
}