@misc{indiciaedbbc4baaf695,
  title = {Normotensive renal failure in systemic sclerosis.},
  author = {D J Helfrich and B Banner and V D Steen and T A Medsger},
  year = {1989},
  doi = {10.1002/anr.1780320911},
  url = {https://pubmed.ncbi.nlm.nih.gov/2775321/},
  note = {Source identifier: 2775321}
}