Differences in Antimicrobial Resistance Phenotypes by the Group of CTX-M Extended-Spectrum β-Lactamase

Department of Clinical Pathology, Sangji University College of Science, Wonju, Department of Laboratory Medicine and Research Institute of Bacterial Resistance, Yonsei University College of Medicine, Seoul, Department of Laboratory Medicine, Chonnam National University School of Medicine, Gwangju, Department of Laboratory Medicine, Inje University Busan Paik Hospital, Busan, Department of Laboratory Medicine, College of Medicine, Chungbuk National University, Cheongju, Department of Laboratory Medicine, National Health Insurance Service Ilsan Hospital, Goyang, Department of Laboratory Medicine, Wonju Severance Christian Hospital, Yonsei University Wonju College of Medicine, Wonju, Department of Laboratory Medicine, Hallym University College of Medicine, Hwaseong, Department of Laboratory Medicine, School of Medicine, Jeju National University, Jeju, Korea