@misc{indiciaee8e19e05e568,
  title = {Polymyositis beginning as a focal process.},
  author = {R R Heffner and S A Barron},
  year = {1981},
  doi = {10.1001/archneur.1981.00510070073013},
  url = {https://pubmed.ncbi.nlm.nih.gov/7247766/},
  note = {Source identifier: 7247766}
}