title: Cerebrospinal fluid nitrite plus nitrate correlates with tetrahydrobiopterin concentration.
authors.affiliation: Department of Clinical Biochemistry, National Hospital, London, UK. sheales@ion.ucl.ac.uk
authors.forename: S J
authors.initials: SJ
authors.lastname: Heales
authors.forename: L
authors.initials: L
authors.lastname: Canevari
authors.forename: M P
authors.initials: MP
authors.lastname: Brand
authors.forename: J B
authors.initials: JB
authors.lastname: Clark
authors.forename: J M
authors.initials: JM
authors.lastname: Land
authors.forename: K
authors.initials: K
authors.lastname: Hyland
mesh_terms: D000293:Adolescent; D001708:Biopterins / Q000031:analogs & derivatives* / Q000134:cerebrospinal fluid; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D009566:Nitrates / Q000134:cerebrospinal fluid*; D009573:Nitrites / Q000134:cerebrospinal fluid*
chemical_list: D009566:Nitrates; D009573:Nitrites; D001708:Biopterins; C003402:sapropterin