title: Live births from frozen human semen stored for 40 years.
authors.affiliation: Alta Bates IVF Program, Berkeley, CA 94611, USA.
authors.forename: Andras Z
authors.initials: AZ
authors.lastname: Szell
authors.forename: Russell C
authors.initials: RC
authors.lastname: Bierbaum
authors.forename: W Brent
authors.initials: WB
authors.lastname: Hazelrigg
authors.forename: Ryszard J
authors.initials: RJ
authors.lastname: Chetkowski
mesh_terms: D004624:Embryo Transfer / Q000379:methods; D005260:Female; D005307:Fertilization in Vitro / Q000379:methods*; D006801:Humans; D050498:Live Birth; D008297:Male; D008875:Middle Aged; D011247:Pregnancy; D027724:Reproductive Techniques, Assisted; D012662:Semen Preservation; D020554:Sperm Injections, Intracytoplasmic / Q000379:methods; D014427:Twins