1. Berkovitz A, Eltes F, Yaari S, Katz N, Barr I, Fishman A, Bartoov B. The morphological normalcy of the sperm nucleus and pregnancy rate of intracytoplasmic injection with morphologically selected sperm. Human Reproduction. 2005;20:185-190. DOI: 10.1093/humrep/deh545
2. Rylander L, Wetterstrand B, Haugen TB, Malm G, Malm J, Bjørsvik C, Henrichsen T, Saether T, Giwercman A. Single semen analysis as a predictor of semen quality: Clinical and epidemiological implications. Asian Journal of Andrology. 2009;11:723-730. DOI: 10.1038/aja.2009.64
3. World Health Organization. WHO Laboratory Manual for the Examination and Processing of Human Semen. 5th ed. Cambridge University Press; 2010. 271 p
4. World Health Organization. WHO Laboratory Manual for the Examination of Human Semen and Semen-Cervical Mucus Interaction. 4th ed. Cambridge University Press; 1999. 138 p
5. van der Horst G, Maree L. SpermBlue: A new universal stain for human and animal sperm which is also amenable to automated sperm morphology analysis. Biotechnic & Histochemistry 2009;84:299-308. DOI: 10.3109/10520290902984274