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Figure 1: Effect of ethanolic extract of the leaves of Nyctanthes arbortristis on histamine-induced contraction of tracheal smooth muscle. Data are expressed as means ± SEM, n = 7; *Control vs. ethanolic extract, *P < 0.05, ***P < 0.001, †Ethanolic extract vs. Nω-nitro-l-arginine methyl ester + ethanolic extract, †P < 0.05 |
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