title: Estimation of concentration of spermatozoa in human semen by determination of DNA.
mesh_terms: D002452:Cell Count; D004247:DNA / Q000032:analysis*; D006801:Humans; D007201:Indicator Dilution Techniques; D008297:Male; D008722:Methods; D012661:Semen / Q000032:analysis*; D013094:Spermatozoa / Q000032:analysis*
chemical_list: D004247:DNA