Spermatozoa^post vasectomy:PrThr:Pt:Semen:Ord:Microscopy.light
spermatozoa^post vasectomy:prthr:pt:semen:ord:microscopy.light
Spermatozoa [Presence] in Semen by Light microscopy --post vasectomy
spermatozoa [presence] in semen by light microscopy --post vasectomy