tokens: Spontaneous occurrence of early region 1A reiteration mutants of type 5 adenovirus in persistently infected human T-lymphocytes .
folded_tokens: spontaneous occurrence of early region 1a reiteration mutants of type 5 adenovirus in persistently infected human t-lymphocytes .
labels: O O O B-virus I-virus I-virus I-virus I-virus O B-virus I-virus I-virus O B-cell_type I-cell_type I-cell_type I-cell_type O