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Hoshi, K., Yanagida, K., Yazawa, H. et al. Pregnancy and delivery after intracytoplasmic injection of an immobilized, killed spermatozoon into an oocyte. J Assist Reprod Genet 11, 325–326 (1994). https://doi.org/10.1007/BF02215723
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DOI: https://doi.org/10.1007/BF02215723