title: Selection and coamplification of heterologous genes in mammalian cells.
authors.forename: R J
authors.initials: RJ
authors.lastname: Kaufman
mesh_terms: D000243:Adenosine Deaminase / Q000235:genetics; D000818:Animals; D001217:Aspartate-Ammonia Ligase / Q000235:genetics; D002478:Cells, Cultured; D003001:Cloning, Molecular / Q000379:methods; D004351:Drug Resistance / Q000235:genetics; D005784:Gene Amplification; D015870:Gene Expression; D005796:Genes; D005819:Genetic Markers; D005822:Genetic Vectors; D021141:Nucleic Acid Amplification Techniques; D009955:Ornithine Decarboxylase / Q000235:genetics; D013762:Tetrahydrofolate Dehydrogenase / Q000235:genetics; D014162:Transfection
chemical_list: D005819:Genetic Markers; D013762:Tetrahydrofolate Dehydrogenase; D000243:Adenosine Deaminase; D009955:Ornithine Decarboxylase; D001217:Aspartate-Ammonia Ligase