JEB -- Michaelidis et al. 205 (8): 1135 Figure IG2

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Fig. 2. Changes in monoamine and adenosine levels in the heart of hibernating snail H. lucorum. Values are means ± S.E.M., N=10 determinations on separate preparations from different animals. Asterisks indicate values that are significantly different from the control values. 5-HT, serotonin; DA, dopamine.