@misc{indiciae35f8488f2be9,
  title = {Radiation-associated valvular disease.},
  author = {R G Carlson and W R Mayfield and S Normann and J A Alexander},
  year = {1991},
  doi = {10.1378/chest.99.3.538},
  url = {https://pubmed.ncbi.nlm.nih.gov/1995208/},
  note = {Source identifier: 1995208}
}