title: 'No' to embryos, 'yes' to sperm.
authors.forename: J
authors.initials: J
authors.lastname: Quintavalle
mesh_terms: D026683:Advisory Committees; D015925:Cryopreservation; D004622:Embryo, Mammalian; D005307:Fertilization in Vitro / Q000331:legislation & jurisprudence; D006077:Government Agencies; D033161:Government Regulation; D006801:Humans; D008297:Male; D013094:Spermatozoa; D006113:United Kingdom