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Sperm nuclear basic proteins (SNBPs) of agnathans and chondrichthyans: variability and evolution of sperm proteins in fish. Journal of Molecular Evolution, 44(4), 422–431
DOI: 10.1007/PL00006162
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Sperm-Specific Basic Proteins in the Holocephalan Fish Hydrolagus colliei (Chondrichthyes, Chimaeriformes) and Comparison with Protamines from an Elasmobranch. Biological Bulletin, 185, 186–196