202 patients with hiv infections of different stages [ 1 ( n = 59 ) : symptomless hiv seropositivity , 2 ( n = 64 ) : pre-aids ( las = lymphadenopathy syndrome , arc = aids related complex ) , 3 ( n = 79 ) : aids ] were prospectively examined .
C0019693
hiv infections
C0001857
aids related complex