title: Manipulating the genome by homologous recombination in embryonic stem cells.
authors.affiliation: Unit of Developmental Biology, National Institute of Mental Health, Bethesda, Maryland 20892.
authors.forename: A
authors.initials: A
authors.lastname: Zimmer
mesh_terms: D000818:Animals; D004622:Embryo, Mammalian / Q000502:physiology*; D015894:Genome, Human; D006801:Humans; D011995:Recombination, Genetic; D013234:Stem Cells / Q000502:physiology*