title: Selecting against "unfit sperm".
authors.forename: P M
authors.initials: PM
authors.lastname: Zavos
authors.forename: G M
authors.initials: GM
authors.lastname: Centola
mesh_terms: D006801:Humans; D008297:Male; D009845:Oligospermia / Q000503:physiopathology*; D011643:Publishing; D012099:Reproductive Techniques; D013094:Spermatozoa / Q000502:physiology*