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Fig. 4. Effects of isoproterenol (ISO; 100 nmol l-1) before and after
treatment with SR59230 (10 nmol l-1) on stroke volume
(VS) and stroke work (WS) in isolated
and perfused paced eel hearts. Percentage changes were evaluated as means
± s.e.m. (N=7). One-way ANOVA was used for comparisons within
groups; significance of differences from control values
*P<0.05. Comparison between groups (two-way ANOVA,
Duncan's test)
P<0.05.