DHA-1 Type Cephalosporinase Accompanied with TEM-1 and Class 1 Integron in Clinical Isolates of Acinetobater baumannii产DHA-1型AmpC酶和TEM-1型β-内酰胺酶及携带Ⅰ类整合子的鲍氏不动杆菌
Expression of high-level cephalosporinase due to mutation in the AmpC attenuator of a clinical Escherichia coli strain衰减子基因突变导致临床大肠埃希菌高产头孢菌素酶的研究