this case-control study of 39 homosexual or bisexual men who were human immunodeficiency virus ( hiv ) -seropositive and had lymphadenopathy syndrome and 38 hiv-seronegative homosexual or bisexual men indicates an association between neurological and neuropsychological abnormalities and hiv infection in patients with lymphadenopathy syndrome .
C0019693
hiv infection
C0001857
lymphadenopathy syndrome