title: Merck gives researchers knockout deal.
authors.forename: E
authors.initials: E
authors.lastname: Pennisi
mesh_terms: D000047:Academies and Institutes / Q000191:economics; D000818:Animals; D001709:Biotechnology; D003001:Cloning, Molecular; D003365:Costs and Cost Analysis; D016208:Databases, Factual; D005818:Genetic Engineering; D051379:Mice; D018345:Mice, Knockout / Q000235:genetics*; D016324:Sequence Tagged Sites; D013234:Stem Cells