title: Sperm engines--why don't we know more?
authors.forename: P
authors.initials: P
authors.lastname: Fénichel
mesh_terms: D000177:Acrosome / Q000502:physiology*; D005260:Female; D005307:Fertilization in Vitro; D006801:Humans; D008297:Male; D013094:Spermatozoa / Q000502:physiology*