@misc{indiciaedfdc845dc451,
  title = {Magnesium sulfate as circulation time indicator. Comparison with objective indicator radioactive iodine.},
  author = {R N Pierson and C Westermann and R P Torrens and M J Schwartz},
  year = {1969},
  url = {https://pubmed.ncbi.nlm.nih.gov/4890421/},
  note = {Source identifier: 4890421}
}