Cardiac effects of thyroxine.
D000818:Animals; D002415:Cats; D006168:Guinea Pigs; D006321:Heart / Q000187:drug effects*; D008931:Mitochondria, Muscle / Q000187:drug effects*; D013045:Species Specificity; D013974:Thyroxine / Q000494:pharmacology*
D013974:Thyroxine