@misc{indiciaec6f8b5f2ee78, title = {Pulsus alternans: physiologic study by noninvasive techniques.}, author = {D H Spodick and J R St Pierre}, year = {1970}, doi = {10.1016/0002-8703(70)90138-9}, url = {https://pubmed.ncbi.nlm.nih.gov/5477622/}, note = {Source identifier: 5477622} }