Background and Objective: According to the high incidence of Klebsiella pneumoniae nosocomial infections in different wards of health care units and the emergence of high levels of antibiotic resistance, evaluating the frequency of multi-drug resistant strains and recognizing the virulence factors may help treat the related infections. Materials and Methods: In this descriptive cross-sectional...

Background and purpose: Surgical site infections are infections of the tissues,organs,or spaces exposed by surgeons during performance of an invasive procedure,and the development of SSIs is related to the degree of microbial contamination of wound during surgery,duration of the procedure,and host factors.Inguinal hernioplasty is one of the most common surgical operations. The use of prophylact...

Background and Aim: The variety of sweets along with significant difference level of hygiene in the production, supplies and high potential contamination of sweets ingredients with Escherichia coli, led to investigate the frequency of broad-spectrum beta lactamase strains of E. coli in sweets and determine the presence of SHV, TEM and CTX-M genes. Material and methods: In this descriptive cros...

the aim of this study is investigating the effect of teaching “metacognitive strategies” on the way which scientific information retrieval workes by the using of google scholar searching machine on the students of ms in the psycology & education faculty of allameh tabatabayi university in 2007-2008 academic year. the statistical community was the students of ms in psychology & education facult...