@misc{indiciae690104b644a1,
  title = {Intravesical BCG and second primary malignancies.},
  author = {O P Khanna},
  year = {1989},
  doi = {10.1016/0090-4295(89)90178-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/2763401/},
  note = {Source identifier: 2763401}
}