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Comparison of total cardiac thyroxine (tT4) and triiodothyronine (tT3) in dilated hearts (n = 23; grey bar) vs. controls (n = 10). Results are presented as mean concentration (ng/g) ± standard error of the mean. Results were considered statistically significant at *P < 0.05 and **P < 0.01 vs. CNT.
