Microanalysis with 14C-Dansyl Chloride of Amino Acids and Amines in the Cerebrospinal Fluid of Patients with Phenylketonuria – III. Analysis of amino acids after loading with L-phenylalanine - Quentin, C.-D.; Behbehani, A. W.; Schulte, F. J.; Neuhoff, V. (Neuropädiatrie, 1974)