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Kallergis, E.M., Nakou, E.S., Simantirakis, E.N. et al. Chronotropic incompetence presenting as sudden sinus slowing during exercise stress test: the pathophysiological mechanisms. Clin Res Cardiol 104, 611–613 (2015). https://doi.org/10.1007/s00392-015-0830-7
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DOI: https://doi.org/10.1007/s00392-015-0830-7