title: Semen analysis as a parameter of male fertility in 266 infertile couples.
mesh_terms: D000328:Adult; D002452:Cell Count; D005298:Fertility; D006801:Humans; D007248:Infertility, Male / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged; D009845:Oligospermia / Q000150:complications / Q000175:diagnosis; D012661:Semen; D013094:Spermatozoa; D014646:Varicocele / Q000150:complications