Does Semen Contain Protein? We do the science and tell you the facts!

Citations

Matson PL, Myssonski K, Yovich S, Morrison L, Irving J, Bakos HW. The density
of human semen and the validation of weight as an indicator of volume: a
multicentre study. Reprod Biol. 2010 Jul;10(2):141-53.

Owen DH, Katz DF. A review of the physical and chemical properties of human
semen and the formulation of a semen simulant. J Androl. 2005
Jul-Aug;26(4):459-69. Review.

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