@misc{indiciae8a06e9449d9a,
  title = {Mitral annulus calcification and cerebral ischaemia.},
  author = {J G Russell},
  year = {1979},
  doi = {10.1016/s0140-6736(79)92659-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/91057/},
  note = {Source identifier: 91057}
}