The first group of patients was administered isotonic sodium chloride ; the second group was administered a solution that of 5 % dextrose and sodium bicarbonate , while the third group was administered isotonic sodium chloride before and after the contrast injection .
O O O O B-OrganismTaxon O O O B-ChemicalEntity I-ChemicalEntity O O O O O O O O O O O O B-ChemicalEntity O B-ChemicalEntity I-ChemicalEntity O O O O O O O O B-ChemicalEntity I-ChemicalEntity O O O O B-ChemicalEntity O O