1. Atypical phenylketonuria with normal phenylalanine hydroxylase and dihydropteridine reductase activity in vitro;Bartholome, K.; Byrd, D.J.; Kaufman, S.; Milstien, S.;Pediatrics,1977
2. Determination of phenylalanine hydroxylase activity in patients with phenylketonuria and hyperphenylalaninemia;Bartholome, K.; Lutz, P.; Bickel, H.;Pediatric Research,1975
3. The use of deuterated phenylalanine for the elucidation of the phenylalanine-tyrosine metabolism;Curtius, H.-Ch; Volmin, J.A.; Baerlocher, K.;Clinica chimica acta,1972
4. In vivo studies of the phenylalanine-4-hydroxylase system in hyperphenylalaninemics and phenylketonurics;Curtius, H.-Ch; Zagalak, M.-J.; Baerlocher, K.; Schaub, J.; Leimbacher, W.; Redweik, U.;Helvetica paediatrica acta,1977
5. Tetrahydrobiopterin treatment of variant forms of phenylketonuria;Danks, D.M.; Cotton, R.G.H.; Schlesinger, P.;Lancet,1975