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. 2013 Nov 13;8(11):e79169. doi: 10.1371/journal.pone.0079169

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© 2013 do Amaral et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Activity of hepatic GPa (mean ± SEM; N = 4–8) during freezing and thawing in Alaskan and Ohioan R. sylvatica as compared to that in unfrozen frogs (U). Asterisk indicates that the value differs from the mean for the corresponding sample of unfrozen frogs (Dunnett’s, P<0.05); dagger indicates that the value differs between populations (Bonferroni, P<0.05).