tokens: Our results suggest that a similar phenomenon may occur in BL in vivo and indicate that the operational definition of EBV latencies is not easily applied to human tumors .
folded_tokens: our results suggest that a similar phenomenon may occur in bl in vivo and indicate that the operational definition of ebv latencies is not easily applied to human tumors .
labels: O O O O O O O O O O B-other_name O O O O O O O O O B-other_name I-other_name O O O O O B-tissue I-tissue O