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pro vyhledávání: '"Sandra Letford"'
Autor:
David Culliford, Sally C. Turner, Sandra Letford, J Maskell, Julia A. Evans, Hugh J. N. Bethell
Publikováno v:
British Journal of Cardiac Nursing. 3:534-538
Objective: To assess the accuracy of a Polar heart rate monitor in measuring heart rate in exercising cardiac rehabilitation patients. Design: Simultaneous heart rate recordings comparing results from the Polar monitor with those from Holter monitori