Robert Menkyna

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In this study, the zones o f inhibit ion were interpreted by referring to current standards available for gramnegative enteric bacilli (7). However, our data show that the disc method is not accurate enough to detect resistant isolates of Campylobacter jejuni, especially those resistant to erythromycin and tetracycline. The correct determinat ion o f(More)
From the second semester of 2002 to the end of the first semester of 2005, a total of 2544 bacterial strains were isolated from the blood stream of patients with clinical sepsis and bacteremia hospitalized in six University Hospitals in the Slovak Republic. Almost 30% of strains were coagulase-negative staphylococci (CONS), about 14% were Staphylococcus(More)
The aim of the study was to monitor the prevalence of pathogens and development of resistance in bacteria isolated from bacteremic patients. Five University Clinics and/or Regional Hospitals in the Slovak Republic participated in the study and a total of 421 isolates were collected in the second half of the year 2002. The most prevalent organisms were(More)
I derive a simple gravity model with matching and use data on the foreign-born population located in 19 OECD-member countries to estimate the impact of immigrant links on trade. The relative impact on trade of immigrant networks declines with the GDP of source country and is generally smaller than estimates from preceding studies. The theoretical framework(More)