Synchronous Sperm Penetration of Zona-Free Mouse Eggs in Vitro1Yuji Takahashi(The University of Tokyo), Yutaka Toyoda(The University of Tokyo)Biology of ReproductionAugust 1, 199510.1095/biolreprod53.2.424Cited by 11SaveCiteExport RISWatch citationsRelated PapersDecrease of histone H1 kinase activity in relation to parthenogenetic activation of pig follicular oocytes matured and aged <i>in vitro</i>|Reproduction|1995|113