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Qiu Y, Krishnan V, Zeng Z, Gilbert DJ, Copeland NG, Gibson L, Yang-Feng T, Jenkins NA, Tsai MJ, Tsai SY (Sep 1995). "Isolation, characterization, and chromosomal localization of mouse and human COUP-TF I and II genes". Genomics. 29 (1): 240–6. doi:10.1006/geno.1995.1237. PMID8530078.