Oligoclonal expansion of B cells in the livers with ILFs was confirmed by an analysis of immunoglobulin heavy chain ( IgH ) gene rearrangement determined by polymerase chain reaction ( PCR ) .
oligoclonal expansion of b cells in the livers with ilfs was confirmed by an analysis of immunoglobulin heavy chain ( igh ) gene rearrangement determined by polymerase chain reaction ( pcr ) .
B-other_name I-other_name O B-cell_type I-cell_type O O B-body_part O B-tissue O O O O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O B-protein_family_or_group O O O O O B-other_name I-other_name I-other_name O B-other_name O O