@misc{indiciaea56bd3953f3c,
  title = {ECS elaborated.},
  author = {G P Rodnan},
  year = {1972},
  doi = {10.1056/nejm197201272860419},
  url = {https://pubmed.ncbi.nlm.nih.gov/5007133/},
  note = {Source identifier: 5007133}
}