| http://www.w3.org/ns/prov#value | - However, when the conventional electrocardiograph is to be used for measuring the heart rate, there is a need to affix a plurality of conductive members directly to the skin, and the conventional device therefore has the drawback that the person to be checked is held restrained for a prolonged period of time by the cords extending from the conductive members to the main body of the instrument.
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