title: Decreased serum tryptophan and elevated neopterin levels in systemic sclerosis.
authors.forename: I
authors.initials: I
authors.lastname: Csipô
authors.forename: L
authors.initials: L
authors.lastname: Czirják
authors.forename: S
authors.initials: S
authors.lastname: Szántó
authors.forename: L
authors.initials: L
authors.lastname: Szerafin
authors.forename: S
authors.initials: S
authors.lastname: Sipka
authors.forename: G
authors.initials: G
authors.lastname: Szegedi
mesh_terms: D000328:Adult; D000368:Aged; D001708:Biopterins / Q000031:analogs & derivatives* / Q000097:blood; D006801:Humans; D007111:Immunity, Cellular; D008875:Middle Aged; D019798:Neopterin; D012595:Scleroderma, Systemic / Q000097:blood* / Q000276:immunology; D014364:Tryptophan / Q000097:blood*
chemical_list: D001708:Biopterins; D019798:Neopterin; D014364:Tryptophan