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. 2015 Nov 25;3(11):e12640. doi: 10.14814/phy2.12640

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© 2015 The Authors. Physiological Reports published by Wiley Periodicals, Inc. on behalf of the American Physiological Society and The Physiological Society.

This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Heart rate (HR, Panel A) and mean arterial pressure (MAP, Panel B) responses to a presyncopal-limited lower body negative pressure (LBNP) protocol for Trial 1 and Trial 2.