Distribution and properties of spermatozoa in different fractions of split ejaculates.
D002465:Cell Movement; D004542:Ejaculation; D006801:Humans; D007248:Infertility, Male; D007314:Insemination; D008297:Male; D012661:Semen / Q000032:analysis / Q000166:cytology*; D013094:Spermatozoa / Q000166:cytology