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Razak, Eathar, Marie Buncová, Vladimir Shusterman, Bruce Winter, Win‐Kuang Shen, Michael J. Ackerman, Theresa Donovan, Rachel Lampert, ja Jan Němec. "Slow QT Interval Adaptation to Heart Rate Changes in Normal Ambulatory Subjects." Ann Noninvasive Electrocardiol 2011.

Razak, Eathar, et al. "Slow QT Interval Adaptation to Heart Rate Changes in Normal Ambulatory Subjects." Ann Noninvasive Electrocardiol 2011.