@misc{indiciae89a21dad2c1c,
  title = {Progressive systemic sclerosis.},
  author = {N L Narasimhachary and M Chandramohan and V N Rajasekaran and R Karmegaraj and R Alagappan},
  year = {1987},
  url = {https://pubmed.ncbi.nlm.nih.gov/3449547/},
  note = {Source identifier: 3449547}
}