@misc{indiciae83289fe8dd31,
  title = {Wandering pacemaker--a vectorcardiographic study.},
  author = {E Piccolo and A Nava and F Maddalena and G Pujatti},
  year = {1970},
  doi = {10.1159/000169269},
  url = {https://pubmed.ncbi.nlm.nih.gov/5518891/},
  note = {Source identifier: 5518891}
}