Among a total of 60 patients included in the study , 16 patients developed acute renal failure ( ARF ) on the second day after contrast material was injected ( 26.6 % ) .
O O O O O B-OrganismTaxon O O O O O O B-OrganismTaxon O B-DiseaseOrPhenotypicFeature I-DiseaseOrPhenotypicFeature I-DiseaseOrPhenotypicFeature O B-DiseaseOrPhenotypicFeature O O O O O O B-ChemicalEntity O O O O O O O O