to determine if there is a relationship between neurological abnormalities and human immunodeficiency virus ( hiv ) infection in patients with lymphadenopathy syndrome ( las ) , we studied 39 homosexual/bisexual men with las ( mean duration of las , 4.1 years ) and 38 homosexual/bisexual men who were seronegative for hiv ( controls ) .
C0019693
human immunodeficiency virus
C0001857
las