1. In vitro activation of rat liver phenylalanine hydroxylase by phosphorylation;Abita;J. biol. Chem.,1976
2. Tetrahydrobiopterin increases in adrenal medulla and cortex: a factor in the regulation of tyrosine hydroxylase;Abou-Donia;Proc. natn. Acad. Sci. U.S.A.,1981
3. Separation and properties of the 6-diastereoisomers of l-erythro-tetrahydrobiopterin and their reactivities with phenylalanine hydroxylase;Bailey;J. biol. Chem.,1978
4. The biosynthesis of pteridines in Drosophila melanogasta;Brown,1979
5. Regional and subcellular distribution and some factors in the regulation of reduced pterins in rat brain;Bullard;J. Pharmac. exp. Ther.,1978