@misc{indiciae4206a9063e41, title = {Changes in ectopic automaticity during exit block.}, author = {D A Sideris}, year = {1982}, doi = {10.1016/0167-5273(82)90026-2}, url = {https://pubmed.ncbi.nlm.nih.gov/7129687/}, note = {Source identifier: 7129687} }