A question of scale.
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Department of Biological Physics, Eötvös Loránd University, H-1117 Budapest, Pazmany P. Stny 1A, Hungary.
D000818:Animals; D001519:Behavior; D001669:Biochemical Phenomena; D001686:Biological Phenomena; D006801:Humans; D008962:Models, Theoretical; D019368:Nature; D013598:Systems Theory