Mio, Y., Iwata, K., Yumoto, K., Kai, Y., Sargant, H. C., Mizoguchi, C., … Nishikori, K. (2012). Possible mechanism of polyspermy block in human oocytes observed by time-lapse cinematography. Journal of Assisted Reproduction and Genetics, 29(9), 951–956. http://doi.org/10.1007/s10815-012-9815-x>