after noting that the increased incidence and spread of bacterial strains resistant to chemotherapeutic substances and antibiotics is caused by the widespread use of antibiotics in the zootechnical field , the use of antimicrobic substances for food conservation , the increasing use of broad spectrum antibiotics and the rapid selection of resistant gram-negative strains in hospitals , the clinical and epidemiological effects of antibiotic resistance in the enterobacteriaceae are considered .
C0003232
antibiotics
C0949285
antibiotic resistance