Only stably transfected target cells exhibited cytolytic susceptibility , despite expression of equivalent levels of E1A proteins in Ad-infected targets .
only stably transfected target cells exhibited cytolytic susceptibility , despite expression of equivalent levels of e1a proteins in ad-infected targets .
O O B-cell_line I-cell_line I-cell_line O O O O O O O O O O B-protein_family_or_group I-protein_family_or_group O B-cell_line I-cell_line O