1) Online Mendelian Inheritance in Man (OMIM). An Online Catalog of Human Genes and Genetic Disor-ders. 〈http://www.omim.org/〉, McKusick-Nathans Institute of Ge- netic Medicine, Johns Hopkins Uni-versity School of Medicine
2) Valle D, Beaudet AL, Vogelstein B, Kinzler KW, Antonarakis SF, Ballabio A (eds): The Online Metabolic and Molecular Bases of Inherited Disease (OMMBID). 〈http://www.ommbid.com/〉, McGraw-Hill, New York