@misc{indiciaef1bea122dc8e,
  title = {New data and concepts concerning the ventricular gradient.},
  author = {J A Abildskov and M J Burgess and K Millar and R Wyatt},
  year = {1970},
  doi = {10.1378/chest.58.3.244},
  url = {https://pubmed.ncbi.nlm.nih.gov/4195838/},
  note = {Source identifier: 4195838}
}