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