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A respiratory exchange ratio equal to 1 provides a reproducible index of submaximal cardiopulmonary exercise performance.

Abstract

Source DB: PubMed Journal: Am J Cardiol ISSN： 0002-9149 Impact factor: 2.778

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Authors: Clifford Chin; Jeffrey Kazmucha; Nancy Kim; Reny Suryani; Inger Olson
Journal: Pediatr Cardiol Date: 2009-10-08 Impact factor: 1.655

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