An evolutionarily ancient mechanism for regulation of hemoglobin expression in vertebrate red cells by Miyata, M, Gillemans, N, Hockman, D, Demmers, JA, Cheng, J-F, Hou, J, Salminen, M, Fisher, C, Taylor, S, Gibbons, RJ, Ganis, JJ, Zon, LI, Grosveld, F, Mulugeta, E, Sauka-Spengler, T, Higgs, DR, Philipsen, S