tokens: The effects of these substitutions on viral replication in transfected HeLa cells and on HIV infection of human peripheral blood lymphocytes or continuous T-leukemia cell lines were evaluated .
folded_tokens: the effects of these substitutions on viral replication in transfected hela cells and on hiv infection of human peripheral blood lymphocytes or continuous t-leukemia cell lines were evaluated .
labels: O O O O O O O O O O B-cell_line I-cell_line O O B-virus O O B-cell_type I-cell_type I-cell_type I-cell_type O B-cell_line I-cell_line I-cell_line I-cell_line O O O