Opitz JM, Smith JF, Santoro L (September 2008). "The FG Syndromes (Online Mendelian Inheritance in Man 305450): Perspective in 2008". Adv Pediatr. 55 (1): 123–70. doi:10.1016/j.yapd.2008.07.014. PMID19048730.
Opitz JM, Smith JF, Santoro L (September 2008). "The FG Syndromes (Online Mendelian Inheritance in Man 305450): Perspective in 2008". Adv Pediatr. 55 (1): 123–70. doi:10.1016/j.yapd.2008.07.014. PMID19048730.