@misc{indiciaefff5fa87bbc7,
  title = {Bladder carcinosarcoma: histologic variation in metastatic lesions.},
  author = {J A Smith and H W Herr and R G Middleton},
  year = {1983},
  doi = {10.1016/s0022-5347(17)52387-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/6842713/},
  note = {Source identifier: 6842713}
}