@misc{indiciaef0bc98200283,
  title = {[Primary retroperitoneal tumors].},
  author = {G A Giussani and P Nobili and C Colombo and C Parravicini and N Giovenzana},
  year = {1989},
  url = {https://pubmed.ncbi.nlm.nih.gov/2518401/},
  note = {Source identifier: 2518401}
}