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  • Characterization of human zona pellucida glycoproteins 

    Bauskin A.R.; Franken D.R.; Eberspaecher U.; Donner P. (1999)
    The human egg may only be fertilized by one spermatozoon to prevent polyploidy. In most mammals, the primary block to polyspermy occurs at the zona pellucida (ZP). Little is known of the human ZP and the changes occurring ...