1. Bickel, H., Hudson, F. P. and Woolf, L. I. (eds.)Phenylketonuria and some Other Inborn Errors of Metabolism. Biochemistry, Genetics, Diagnosis, Therapy, Georg Thieme, Stuttgart, 1971
2. Chalmers, R. A. and Watts, R. W. E. Quantitative studies on the urinary excretion of unconjugated aromatic acids in phenylketonuria.Clin. Chim. Acta 55 (1974) 281–294
3. Koff, E., Boyle, P. and Pueschel, S. M. Perceptual-motor functioning in children with phenylketonuria.Am. J. Dis. Child. 131 (1977) 1084–1087
4. Langenbeck, U., Behbehani, A. W. and Luthe, H. Renal transport of aromatic acids in patients with phenylketonuria.J. Inher. Metab. Dis. 4 (1981) 69–70
5. Rapoport, D., Saudubray, J.-M., Hatt, A., Weil-Halpern, F., Depondt, E., Boisse, J. and Mozziconacci, P. Etude psychologique de 20 enfants phénylcétonuriques traités tôt.Ann. Pédiatr. 22 (1975) 509–516