Abstract
The results of this study revealed significant effect of the aqueous extracts of the seeds of Nigella sativa L. , calyx of the red tea Hibiscus sabdariffa L. and nutgalls of Quercus infectora Oliv. in concentrations of 5mg/ml , 7.5 mg/ml, 1 Omg/ml and 15 mg/ml for the seeds of N.sativa and the concentrations of 50 mg/ml, 75 mg/ml , 1 OOmg/ml and 150 mg/ml for both the calyx of the red tea, H. sabdariffa and nutgalls of Q. infectora, on the protoscoleces of chinococcus granulosus of sheep origin in vitro
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