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Polyspermic penetration in porcine IVM-IVF systems
H. Funahashi · 2003 · Rep. Fert. Dev. (2003) 15(3): 167-177
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Sheep oocyte activation after intracytoplasmic sperm injection (ICSI)
W.M.C. Maxwell, G. Evans, J.W. Catt and 1 other · 1998 · Rep. Fert. Dev. (1998) 10(2): 197-206