title: Oocyte cryopreservation as alternative to embryo cryopreservation - some pertinent ethical concerns.
authors.forename: Boon Chin
authors.initials: BC
authors.lastname: Heng
mesh_terms: D001675:Bioethics; D015925:Cryopreservation / Q000941:ethics* / Q000379:methods*; D003451:Cryoprotective Agents / Q000494:pharmacology; D046149:Embryo Culture Techniques; D004624:Embryo Transfer / Q000941:ethics*; D004622:Embryo, Mammalian / Q000166:cytology*; D005307:Fertilization in Vitro; D005615:Freezing; D006801:Humans; D009584:Nitrogen / Q000737:chemistry; D009865:Oocytes / Q000166:cytology*; D027724:Reproductive Techniques, Assisted
chemical_list: D003451:Cryoprotective Agents; D009584:Nitrogen