| evaluation of antimicrobial resistance among salmonella and shigella isolates in the university hospital "st. george," plovdiv, bulgaria. | the aim of this work is to study the epidemiology and antimicrobial resistance to the most commonly used antibiotics for the treatment of acute gastroenteritis caused by salmonella and shigella at the largest bulgarian hospital-university hospital "st. george," plovdiv-for the period 2009-2013. two hundred ninety strains were in vitro tested for resistance to 15 antimicrobial agents. the presence of extended-spectrum beta-lactamases (esbls) was demonstrated by a variety of specialized tests. for ... | 2017 | 27761725 |