^"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.
^Rao VN, Huebner K, Isobe M, Rushdi A, Croce CM, Reddy ES (1989). "elk, tissue-specific ets-related genes on chromosomes X and 14 near translocation breakpoints". Science. 244 (4900): 66–70. Bibcode:1989Sci...244...66R. doi:10.1126/science.2539641. PMID2539641.