@misc{indiciaea66fc1eeffc9,
  title = {Phrenicus palsy in progressive systemic sclerosis.},
  author = {M A Birk and E L Zeuthen},
  year = {1995},
  doi = {10.1093/rheumatology/34.7.684},
  url = {https://pubmed.ncbi.nlm.nih.gov/7670791/},
  note = {Source identifier: 7670791}
}