Spermatozoa.progressive.grade 1/Spermatozoa^post concentration:NFr:Pt:Semen:Qn
spermatozoa.progressive.grade 1/spermatozoa^post concentration:nfr:pt:semen:qn
Spermatozoa Progressive Grade 1/Spermatozoa in Semen --post concentration
spermatozoa progressive grade 1/spermatozoa in semen --post concentration