@misc{indiciae4225841b5b98,
  title = {[Retroperitoneal tumors].},
  author = {T Jacyna-Onyszkiewicz and M Jesipowicz and A Sawa},
  year = {1970},
  url = {https://pubmed.ncbi.nlm.nih.gov/4919507/},
  note = {Source identifier: 4919507}
}