The Inability of Human Sperm with Chromosomal Abnormalities to Penetrate the Oocyte in Assisted Reproductive Technology (ART): Risk Factors and the Role of Seminal Plasma Watanabe, Seiji and Fukui, Atsushi and Nakamura, Rika and Fukuhara, Rie and Funamizu, Ayano, Journal of Mammalian Ova Research, 34, 65-73 (2017), DOI:http://dx.doi.org/10.1274/jmor.34.65