@misc{indiciaec22376980d0a,
  title = {Ions and inotropy.},
  author = {W B Van Winkle and A Schwartz},
  year = {1976},
  doi = {10.1146/annurev.ph.38.030176.001335},
  url = {https://pubmed.ncbi.nlm.nih.gov/130824/},
  note = {Source identifier: 130824}
}