@misc{indiciae90cb1e1548be,
  title = {Pacemaker properties of tunicate heart cells.},
  author = {M E Kriebel},
  year = {1968},
  doi = {10.2307/1539623},
  url = {https://pubmed.ncbi.nlm.nih.gov/5668564/},
  note = {Source identifier: 5668564}
}