@misc{indiciae692691198afb,
  title = {Electrical activity in sinus node and atrioventricular node.},
  author = {M W VAN DER KOOI and D DURRER and R T VAN DAM and L H VAN DER TWEEL},
  year = {1956},
  doi = {10.1016/s0002-8703(56)80005-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/13302141/},
  note = {Source identifier: 13302141}
}