1. K. Gopalkrishnan, I.N. Hinduja, T.C. Kumar, Volume of semen as a parameter of its quality, Indian J. Med. Res. 96 (1992) 361-365.
2. The predominant protein in human seminal coagulate;Lilja;Scand. J. Clin. Lab. Invest.,1982
3. Sperm transport in the female reproductive tract
4. Fertility: Assessment and Treatment for People with Fertility Problems - PubMed, (n.d.).
5. The collection of data from findings in cases of sexual assault and the significance of spermatozoa on vaginal, anal and oral swabs;Allard;Sci. Just.,1997