tokens: Post HIV-1 entry , productive HIV-1 infection of primary T cells requires overcoming several cellular blocks to provirus establishment and replication .
folded_tokens: post hiv-1 entry , productive hiv-1 infection of primary t cells requires overcoming several cellular blocks to provirus establishment and replication .
labels: O B-virus O O O B-virus O O B-cell_type B-cell_type I-cell_type O O O O O O B-other_name I-other_name O B-other_name I-other_name