tokens: It is well established that the two major glial cells in the central nervous system ( CNS ) , astrocytes and microglia , are key participants in mediating the neurologic dysfunction associated with HIV infection of the CNS .
folded_tokens: it is well established that the two major glial cells in the central nervous system ( cns ) , astrocytes and microglia , are key participants in mediating the neurologic dysfunction associated with hiv infection of the cns .
labels: O O O O O O O O B-cell_type I-cell_type O O B-body_part I-body_part I-body_part O B-body_part O O B-cell_type O B-cell_type O O O O O O O B-other_name I-other_name O O B-virus O O O B-body_part O