@misc{indiciae11cc06ce43e8,
  title = {Mixed connective tissue disease.},
  author = {C Black},
  year = {1981},
  doi = {10.1111/j.1365-2133.1981.tb00762.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/7018553/},
  note = {Source identifier: 7018553}
}