prevalence of beta-lactamases among 1,072 clinical strains of proteus mirabilis: a 2-year survey in a french hospital.beta-lactam resistance was studied in 1,072 consecutive p. mirabilis clinical strains isolated at the clermont-ferrand teaching hospital between april 1996 and march 1998. the frequency of amoxicillin resistance was 48.5%. among the 520 amoxicillin-resistant isolates, three resistance phenotypes were detected: penicillinase (407 strains [78.3%]), extended-spectrum beta-lactamase (74 strains [14. 2%]), and inhibitor resistance (39 strains [7.5%]). the penicillinase phenotype isolates were divided ...200010858357
frequency and diversity of class a extended-spectrum beta-lactamases in hospitals of the auvergne, france: a 2 year prospective evaluate the frequency and diversity of extended-spectrum beta-lactamases (esbls) produced by enterobacteriaceae and pseudomonas aeruginosa in one french region.200415282240
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