tokens: No age-related differences were found in the expression of either of these two proto-oncogenes by anti-CD2 activated T cells .
folded_tokens: no age-related differences were found in the expression of either of these two proto-oncogenes by anti-cd2 activated t cells .
labels: O O O O O O O O O O O O O B-DNA_family_or_group O O O O O O