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Effect of petroleum ether on weekly body weight of Sprague-Dawley rats. All the values are mean ± standard error of the mean (n = 8; except petroleum ether 250 mg/kg [n = 7 on 14th day] and petroleum ether 500 mg/kg [n = 6 on 7th day onwards and n = 5 on 14th day]). **P < 0.01 when compared to prestudy value (One-way ANOVA followed by Bonferroni post-hoc test)
