Sutajová M, Neukirchen U, Meinecke P, Czeizel AE, Tímár L, Sólyom E, Gal A, Kutsche K. Disruption of the PDGFB gene in a 1;22 translocation patient does not cause Costello syndrome. Genomics. 2004 May;83(5):883–92. doi: 10.1016/j.ygeno.2003.10.012. PMID: 15081117.