Neopterin concentrations in cerebrospinal fluid and serum of individuals infected with HIV-1Dietmar Fuchs, H. Wächter, Lars Hagberg et al.|AIDS|1989Cited by 114
Immune Activation and Decreased Tryptophan in Patients with HIV-1 InfectionDietmar Fuchs, H. Wächter, Anders Forsman et al.|Journal of Interferon Research|1990Cited by 103