@misc{indiciae1c0fd47977a8,
  title = {[Retroperitoneal tumors].},
  author = {D Pietka and A Kawalski and A Musierowicz},
  year = {1969},
  url = {https://pubmed.ncbi.nlm.nih.gov/5804316/},
  note = {Source identifier: 5804316}
}