JEB -- Wang et al. 204 (20): 3553 Figure IG4

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Fig. 4. The calculated autonomic tones on the heart for Boa constrictor during undisturbed rest (A), during forced activity (B) and during digestion (C). Values are means + S.E.M. An asterisk indicates a significant difference from the value of untreated and resting animals; a double dagger indicates a significant difference between forced activity and digestion. Cho, cholinergic; Adr, adrenergic.