title: Freezing of embryos: early vs late stages.
authors.forename: A C
authors.initials: AC
authors.lastname: Van Steirteghem
authors.forename: E
authors.initials: E
authors.lastname: Van den Abbeel
mesh_terms: D001755:Blastocyst; D001757:Blastomeres; D002970:Cleavage Stage, Ovum; D015925:Cryopreservation / Q000379:methods*; D003451:Cryoprotective Agents; D004624:Embryo Transfer / Q000379:methods*; D005260:Female; D006801:Humans; D009865:Oocytes; D013997:Time Factors; D015053:Zygote
chemical_list: D003451:Cryoprotective Agents