(13.9%), M catarrhalis (9.9%), S aureus (9.5%), P aeruginosa (8.8%), E faecalis (7.1%), Enterobacter spp.
(13,9%), M. catarrhalis (9,9%), S. aureus (9,5%), P. aeruginosa (8,8%), E. faecalis (7,1%), Enterobacter spp.