The area of histochemical injury ( as a percent of the cross-sectional area of the hemisphere ) was less in the hypertensive group ( 33 +/- 3 % vs 21 +/- 2 % , P less than 0.05 ) .
O O O O O O O O O O O O O O O O O O O O O B-DiseaseOrPhenotypicFeature O O O O O O O O O O O O O O O O O O