@misc{indiciae1b6f7bef8aab,
  title = {[Ectopic origin of P with normal axis (ranging between O degrees E + 30 degrees). Vectorcardiographic study].},
  author = {A Nava and E Piccolo and P Stritoni and F Maddalena and R Chioin},
  year = {1972},
  url = {https://pubmed.ncbi.nlm.nih.gov/5012021/},
  note = {Source identifier: 5012021}
}