@misc{indiciaed664728f7767, title = {Variable PR intervals: what is the rhythm?}, author = {F Morady}, year = {1996}, doi = {10.1111/j.1540-8167.1996.tb00503.x}, url = {https://pubmed.ncbi.nlm.nih.gov/8985813/}, note = {Source identifier: 8985813} }