METHODS : Ag-globin gene sequencing was performed on genomic DNA isolated from a total of 75 b-thalassemia patients , including 31 b ( 0 ) 39/b ( 0 ) 39 , 33 b ( 0 ) 39/b ( + ) IVSI-110 , 9 b ( + ) IVSI-110/b ( + ) IVSI-110 , one b ( 0 ) IVSI-1/b ( + ) IVSI-6 and one b ( 0 ) 39/b ( + ) IVSI-6 .
O O B-GeneOrGeneProduct O O O O O O O O O O O O O B-DiseaseOrPhenotypicFeature 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 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 O