@misc{indiciae661489033e66,
  title = {Computer-assisted detection of prosthetic aortic heart valve dysfunction.},
  author = {R J Romanoff and H W Seipp and L C Amsler and E H Johnson and C L McIntosh},
  year = {1977},
  doi = {10.1016/0010-4809(77)90049-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/858228/},
  note = {Source identifier: 858228}
}