@misc{indiciaef2729b870188,
  title = {Microsphere reference flow samples during systemic flow adjustment.},
  author = {G A Geffin and D D O'Keefe and A G Denenberg and W M Daggett},
  year = {1987},
  doi = {10.1152/ajpheart.1987.252.4.h851},
  url = {https://pubmed.ncbi.nlm.nih.gov/3565596/},
  note = {Source identifier: 3565596}
}