@misc{indiciaeed42fe46789a,
  title = {Ionic interconversion of pacemaker and nonpacemaker cultured chick heart cells.},
  author = {N Sperelakis and D Lehmkuhl},
  year = {1966},
  doi = {10.1085/jgp.49.5.867},
  url = {https://pubmed.ncbi.nlm.nih.gov/4960139/},
  note = {Source identifier: 4960139}
}