Cambosu, F., M. Moro, G. Soro, G. Fogu, M. Sotgiu, P. Bandiera, A. Pirino, and A. Montella. “18p Deletion Syndrome: Foetal Phenotype and Cytogenetic Characterization”. Italian Journal of Anatomy and Embryology, vol. 116, no. 2, Nov. 2011, p. 35, https://oajournals.fupress.net/index.php/ijae/article/view/4609.