1. Costello JM A new syndrome. N Z Med J 1971 74 397
2. A new syndrome: mental subnormality and nasal papillomata;Costello;Aust Paediatr J,1977
3. Costello syndrome;Der Kaloustian;Am J Med Genet,1991
4. Costello syndrome: an overview;Hennekam;Am J Med Genet C Semin Med Genet,2003
5. Pathology of the elastic tissue of the skin in Costello syndrome. An image analysis study using mathematical morphology;Vila Torres;Anal Quant Cytol Histol,1994