(2) mikro organiżmi aerobiċi gram negative acinetobacter baumannii+ burkholderia cepacia+ * campylobacter spp + * citrobacter freundii * enterobacter aerogenes enterobacter cloacae * escherichia coli * klebsiella oxytoca klebsiella pneumoniae * morganella morganii * neisseria gonorrhoeae * proteus mirabilis * proteus vulgaris * providencia spp