Extended-Spectrum Beta-Lactamase-Producing E. Coli and Klebsiella Pneumoniae in Children at University Pediatric Clinic in Skopje Journal title: Macedonian Journal of Medical Sciences (MJMS) Authors: Ana Kaftandzhieva| Institute of Microbiology and Parasitology, Medical Faculty, University “Ss Kiril... Subject(s): Epidemiology, Physiology