@misc{indiciae124c927a0587,
  title = {Why two pumps as one heart?},
  author = {G E Burch},
  year = {1984},
  doi = {10.1016/0002-9149(84)90216-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/6465032/},
  note = {Source identifier: 6465032}
}