tokens: In contrast , C3H mice inoculated with wild-type Ad recognized an epitope mapping within E1B . When inoculated twice with Ad vectors lacking both E1A and E1B , no immunorecessive epitopes were recognized .
folded_tokens: in contrast , c3h mice inoculated with wild-type ad recognized an epitope mapping within e1b . when inoculated twice with ad vectors lacking both e1a and e1b , no immunorecessive epitopes were recognized .
labels: O O O B-other_artificial_source I-other_artificial_source O O O B-virus O O O O O B-DNA_domain_or_region O O O O O B-other_artificial_source I-other_artificial_source O O B-DNA_domain_or_region O B-DNA_domain_or_region O O B-protein_domain_or_region I-protein_domain_or_region O O O