@misc{indiciae7a13bd88eda5,
  title = {Stone heart.},
  author = {G Kolos and J F Williams and J B Hickie and D A Cooley},
  year = {1972},
  doi = {10.1016/0002-9149(72)90023-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/4539007/},
  note = {Source identifier: 4539007}
}