@misc{indiciae21c8f97750b6,
  title = {Cardiac involvement in polymyositis.},
  author = {M Oka and T Raasakka},
  year = {1978},
  doi = {10.3109/03009747809095655},
  url = {https://pubmed.ncbi.nlm.nih.gov/734377/},
  note = {Source identifier: 734377}
}