@misc{indiciae242ebec6c53b,
  title = {The spatial atrial gradient.},
  author = {M A BERKUN and E DONOSO and A GRISHMAN and R H KESSELMAN},
  year = {1956},
  doi = {10.1016/0002-8703(56)90152-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/13362089/},
  note = {Source identifier: 13362089}
}