@misc{indiciae720049a7e49b,
  title = {[Clinicopathological study on mitral ring calcification in the aged].},
  author = {M Sugiura and S Uchiyama and K Kuwako and S Ohkawa and K Hiraoka},
  year = {1976},
  url = {https://pubmed.ncbi.nlm.nih.gov/987427/},
  note = {Source identifier: 987427}
}