The superoxide scavenger tempol ( 30 , 100 , and 300 micromol kg ( -1 ) , IV ) did not change arterial pressure in control rats but caused a dose-dependent decrease in LNNA rats ( -18 +/- 8 , -26 +/- 15 , and -54 +/- 11 mm Hg ) .
O B-ChemicalEntity O B-ChemicalEntity O O O O O O O O O O O O O O O O O O O O O O B-OrganismTaxon O O O O O O B-ChemicalEntity B-OrganismTaxon O O O O O O O O O O O O O O O O O