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Effect of increasing concentrations of aqueous fraction (AF) of R. damascena and Ach (0.03 µg/ml) on contraction of isolated guinea pigs ileum in absence and presence of atropine n=8 Comparison with the control group.
*p<0.05, **p<0.01, ***p<0.001. +: Comparison of the control group after atropine: +p<0.05.
