The male factor.
D000906:Antibodies / Q000032:analysis; D005260:Female; D006801:Humans; D007247:Infertility, Female / Q000175:diagnosis / Q000209:etiology; D008297:Male; D009845:Oligospermia / Q000175:diagnosis*; D013094:Spermatozoa / Q000276:immunology
D000906:Antibodies