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. 2014 May 31;7:326. doi: 10.1186/1756-0500-7-326

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Copyright © 2014 Knop et al.; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Meal test and glucagon test. Plasma glucose (upper panels), insulin (mid panels) and C-peptide (lower panels) concentrations during meal test and glucagon test in a healthy subject with normal glucose tolerance.