tokens: PCR analysis of spontaneous EBV -transformed lymphoblastoid cell lines ( LCL ) from three individuals with primary infection showed that two were infected with type A and one with type B EBV .
folded_tokens: pcr analysis of spontaneous ebv -transformed lymphoblastoid cell lines ( lcl ) from three individuals with primary infection showed that two were infected with type a and one with type b ebv .
labels: B-other_name I-other_name O B-cell_line B-virus O O O O O B-cell_line O O O B-multi_cell O O O O O O O O O O O O O O O O O O