Guldberg P.,1993a
Guldberg P., Romano V., Ceratto N., Bosco P., Ciuna M., Indelicato A., Mollica F., Meli C., Giovannini M., Riva E., Biasucci G., Henriksen K.F., Guttler F. Mutational spectrum of phenylalanine hydroxylase deficiency in Sicily: implications for diagnosis of hyperphenylalaninemia in Southern Europe. - Hum.Mol. Genet., 1993, v. 2, p. 1703-1707.
