@misc{indiciae835e5dc5825f,
  title = {New X wave in electrocardiographic complex.},
  author = {B L Agarwal and G B Gupta},
  year = {1967},
  doi = {10.1136/bmj.4.5573.217},
  url = {https://pubmed.ncbi.nlm.nih.gov/6061566/},
  note = {Source identifier: 6061566}
}