^"Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
^"Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
^Gardiner K, Slavov D, Bechtel L, Davisson M (May 2002). "Annotation of human chromosome 21 for relevance to Down syndrome: gene structure and expression analysis". Genomics. 79 (6): 833–43. doi:10.1006/geno.2002.6782. PMID12036298.