@misc{indiciaec0d322bfacf2,
  title = {Heart block in polymyositis.},
  author = {L Fernandez-Herlihy},
  year = {1971},
  doi = {10.1056/nejm197105132841915},
  url = {https://pubmed.ncbi.nlm.nih.gov/5553202/},
  note = {Source identifier: 5553202}
}