title: Gene trapping--a preface.
authors.affiliation: Wellcome Trust, Department of Genetics, University of Cambridge, United Kingdom.
authors.forename: M J
authors.initials: MJ
authors.lastname: Evans
mesh_terms: D000818:Animals; D015870:Gene Expression; D017930:Genes, Reporter; D005821:Genetic Techniques; D006801:Humans; D051379:Mice; D016254:Mutagenesis, Insertional; D010641:Phenotype; D013234:Stem Cells