tokens: Preliminary observations tend to correlate this CREF cell killing with the accumulation of the early viral proteins and/or viral DNA in the infected cells .
folded_tokens: preliminary observations tend to correlate this cref cell killing with the accumulation of the early viral proteins and/or viral dna in the infected cells .
labels: O O O O O O B-other_name I-other_name I-other_name O O O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O B-DNA_domain_or_region I-DNA_domain_or_region O O B-cell_type I-cell_type O