Spermatozoa penetration:PrThr:Pt:Semen+Cvm:Ord:Kremer
spermatozoa penetration:prthr:pt:semen+cvm:ord:kremer
Spermatozoa penetration Kremer test Ql (Seminal fluid and Cervical mucosa)
spermatozoa penetration kremer test ql (seminal fluid and cervical mucosa)