@misc{indiciae9c8094142a05,
  title = {[Radioactive tracers and circulation].},
  author = {H N Wagner},
  year = {1972},
  doi = {10.1161/01.cir.45.1.8},
  url = {https://pubmed.ncbi.nlm.nih.gov/4550118/},
  note = {Source identifier: 4550118}
}