@misc{indiciae66703b25153b, title = {Exercise-induced second-degree atrioventricular block.}, author = {Loukas K Pappas and Michalis Efremidis and Antonios Sideris and Konstantinos P Letsas and Stavros P Kounas and Fotios Kardaras}, year = {2005}, doi = {10.1016/j.ijcard.2005.06.060}, url = {https://pubmed.ncbi.nlm.nih.gov/16083979/}, note = {Source identifier: 16083979} }