title: Engineering a molecular nightmare.
authors.forename: E
authors.initials: E
authors.lastname: Chargaff
mesh_terms: D004622:Embryo, Mammalian / Q000502:physiology; D004992:Ethics, Medical; D005307:Fertilization in Vitro; D005615:Freezing; D005818:Genetic Engineering; D006801:Humans; D012098:Reproduction; D014021:Tissue Preservation