A total of 60 male Wistar albino rats were randomly divided into four groups ( 15/group ) : The control group injected with single doses of normal saline ( i.c.v ) followed 24 h later by BCNU solvent ( i.v ) .
O O O O O O O B-OrganismTaxon O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-ChemicalEntity O O O O O