The incidence of non-specific infection in the semen in fertile and sub-fertile males.
D001424:Bacterial Infections / Q000453:epidemiology*; D005298:Fertility; D006801:Humans; D007248:Infertility, Male / Q000382:microbiology*; D008297:Male; D012661:Semen / Q000382:microbiology*; D013076:Sperm Count; D013081:Sperm Motility; D013203:Staphylococcal Infections / Q000453:epidemiology; D013290:Streptococcal Infections / Q000453:epidemiology