[Experiments about the separation of X- and Y-spermatozoa based on different velocity of migration (author's transl)].
D002452:Cell Count; D002469:Cell Separation; D005260:Female; D006801:Humans; D008297:Male; D011247:Pregnancy; D012730:Sex Chromosomes; D012744:Sex Ratio; D013081:Sperm Motility; D013094:Spermatozoa; D014461:Ultracentrifugation