Opazo, J.C. & Lee, A.P. & Hoffmann, F.G. & Toloza-Villalobos, J. & Burmester, T. & Venkatesh, B. & Storz, J.F. (2015)
Ancient duplications and expression divergence in the globin gene superfamily of vertebrates: Insights from the elephant shark genome and transcriptome.
Molecular Biology and Evolution, 32(7), 1684–1694 DOI: 10.1093/molbev/msv054