@misc{indiciaecfb5f4da5ca2,
  title = {[Retroperitoneal fibrosis].},
  author = {M Piegsa and P Fiegel},
  year = {1993},
  doi = {10.1055/s-2008-1059513},
  url = {https://pubmed.ncbi.nlm.nih.gov/8253029/},
  note = {Source identifier: 8253029}
}