@misc{indiciae6bdb390df6ec,
  title = {Mitral regurgitation due to intermittent prosthetic valvular dysfunction.},
  author = {C J Carlson and J J Collins and I S Ockene and L H Cohn and J E Dalen},
  year = {1977},
  doi = {10.1378/chest.71.1.90},
  url = {https://pubmed.ncbi.nlm.nih.gov/830509/},
  note = {Source identifier: 830509}
}