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The Functional Similarity and Structural Diversity of Human and Cartilaginous Fish Hemoglobins. Journal of Molecular Biology, 307(1), 259–270
DOI: 10.1006/jmbi.2000.4446
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Structures of the deoxy and CO forms of haemoglobin from Dasyatis akajei, a cartilaginous fish. Acta Crystallographica, Section D, Biological crystallography, 55(7), 1291–1300
DOI: 10.1107/S0907444999005934