A 7-year experience with low blood TSH cutoff levels for neonatal screening reveals an unsuspected frequency of congenital hypothyroidism (CH) - Corbetta, C; Weber, G; Cortinovis, F; Calebiro, D; Passoni, A; Vigone, M C; Beck-Peccoz, P; Chiumello, G; Persani, L (Clin Endocrinol (Oxf), 2009)