Chiang, Chuen-Sheue Presence of beta-lactamase gene TEM-1 DNA sequence in commercial Taq DNA polymerase. [electronic resource] - Journal of clinical microbiology Jan 2005 - 530-1 p. digital Publication Type: Letter; Research Support, Non-U.S. Gov't ISSN: 0095-1137 Standard No.: 10.1128/JCM.43.1.530-531.2005 doi Subjects--Topical Terms: Base Sequence--geneticsEquipment ContaminationEscherichia coli--enzymologyPolymerase Chain Reaction--methodsReagent Kits, DiagnosticTaq Polymerase--geneticsbeta-Lactamases--genetics