@misc{indiciaeaa069742c631,
  title = {Increased resistance developing in Holter valves.},
  author = {J J Corkery and R B Zachary},
  year = {1967},
  doi = {10.1016/s0140-6736(67)90915-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/4170029/},
  note = {Source identifier: 4170029}
}