@misc{indiciae5e4a3efa3163, title = {After-potentials in the electrocardiogram.}, author = {T SJOSTRAND}, year = {1951}, doi = {10.1111/j.1748-1716.1951.tb00842.x}, url = {https://pubmed.ncbi.nlm.nih.gov/14894265/}, note = {Source identifier: 14894265} }