Hyperphenylalaninemia Due to a Deficiency of Biopterin

Phenylketonuria Due to a Deficiency of Dihydropteridine Reductase

1975 • 317 citations

In vivo enhancement of tyrosine hydroxylation in rat striatum by tetrahydrobiopterin

1974 • 180 citations

Metabolism of the Phenylalanine Hydroxylation Cofactor

1967 • 179 citations

NEW VARIANT OF PHENYLKETONURIA WITH PROGRESSIVE NEUROLOGICAL ILLNESS UNRESPONSIVE TO PHENYLALANINE RESTRICTION

1975 • 142 citations

A NEW COFACTOR REQUIRED FOR THE ENZYMATIC CONVERSION OF PHENYLALANINE TO TYROSINE

1958 • 127 citations

Phenylketonuria: Biochemical Mechanisms

1977 • 105 citations

Determination of Phenylalanine Hydroxylase Activity in Patients with Phenylketonuria and Hyperphenylalaninemia

1975 • 105 citations

A NEW MOLECULAR DEFECT IN PHENYLKETONURIA

1974 • 91 citations

Phenylalanine Hydroxylation Cofactor in Phenylketonuria

1958 • 90 citations

Atypical Phenylketonuria With Normal Phenylalanine Hydroxylase and Dihydropteridine Reductase Activity in Vitro

1977 • 81 citations

Biopterin derivatives in normal and phenylketonuric patients after oral loads of L-phenylalanine, L-tyrosine, and L-tryptophan.

1976 • 79 citations

A disorder of biogenic amines in dihydropteridine reductase deficiency

1978 • 74 citations

Detection of Hepatic Phenylalanine 4-Hydroxylase in Classical Phenylketonuria

1973 • 72 citations

Phenylalanine hydroxylase of human liver: Assay and some properties

1969 • 57 citations

Studies on the phenylalanine hydroxylase system in vivo. An in vivo assay based on the liberation of deuterium or tritium into the body water from ring-labeled L-phenylalanine.

1975 • 52 citations

Tolerance of Phenylalanine after Intravenous Administration in Phenylketonurics, Heterozygous Carriers, and Normal Adults

1966 • 37 citations

Biopterin content of human and rat fluids and tissues determined protozoologically

1974 • 36 citations

Phenylketonuria: Blood levels of phenylpyruvic and ortho-hydroxyphenylacetic acids

1966 • 27 citations

[174] Assay of unconjugated pteridines

1971 • 26 citations

HYPERPHENYLALANINEMIA DUE TO PHENYLALANINE HYDROXYLASE COFACTOR DEFICIENCY

1977 • 16 citations

BRAIN-STEM MATURATION IN PRE-TERM INFANTS

1976 • 8 citations