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  Indian J Med Microbiol
 

Figure 2: Relaxant effect of ethanolic extract of the leaves of Nyctanthes arbortristis on pre-constricted tracheal smooth muscle with histamine. Data are expressed as means ± SEM, n = 7, *Ethanolic extract vs. control, **P < 0.01, ***P < 0.001, †Nω-nitro-l-arginine methyl ester + ethanolic extract vs. ethanolic extract, †P < 0.05, ††P < 0.01

Figure 2: Relaxant effect of ethanolic extract of the leaves of <i>Nyctanthes arbortristis</i> on pre-constricted tracheal smooth muscle with histamine. Data are expressed as means ± SEM, <i>n</i> = 7, *Ethanolic extract vs. control, <i>*</i>*<i>P</i> < 0.01, ***<i>P</i> < 0.001, †Nω-nitro-l-arginine methyl ester + ethanolic extract vs. ethanolic extract, †<i>P</i> < 0.05, ††<i>P</i> < 0.01