1. S. P. Bessman, (1966). Legislation and advances in medical knowledge — acceleration or inhibition? J. Pediatr., 69, 334
2. G. N. Donnell, R. Koch and W. R. Bergren, (1969). Observations on results of management of galactosemia patients. In D. Y.-Y. Hsia (ed.). Galactosemia, pp. 247–275. (Charles C. Thomas Springfield, Illinois)
3. H. L. Levy, S. J. Sepe, V. E. Shih, G. F. Vawter and J. O. Klein, (1977). Sepsis due to Escherichia coli in neonates with galactosemia. N. Engl. J. Med., 297, 825
4. R. Guthrie, (1964). Routine screening for inborn errors in the newborn: ‘inhibition assays’, instant bacteria and multiple tests. In Proceedings of the International Copenhagen Congress on the Scientific Study of Mental Retardation. Vol. II, p. 495. (Copenhage
5. O. Thalhammer, (1975). Frequency of inborn errors of metabolism, especially PKU, in some representative newborn screening centers around the world. A collaborative study. Humangenetik, 30, 273