@misc{indiciae87f1fe3ab5bc,
  title = {A surface counting method cardiac output computer.},
  author = {F B Vogt and L S Meharg and C E McCullough},
  year = {1969},
  url = {https://pubmed.ncbi.nlm.nih.gov/4951208/},
  note = {Source identifier: 4951208}
}