@misc{indiciae6c490efb0e35,
  title = {[Electrocardiographic changes in rheumatoid arthritis].},
  author = {J A Cetina Manzanilla and E Patrón Amador},
  url = {https://pubmed.ncbi.nlm.nih.gov/748909/},
  note = {Source identifier: 748909}
}