@misc{indiciaeca8abd480c22,
  title = {The Aldon bag flutter valve.},
  author = {J M Beaugié and R J Earlam},
  year = {1971},
  doi = {10.1111/j.1464-410x.1971.tb10052.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5118141/},
  note = {Source identifier: 5118141}
}