| trends in antibiotic resistance in prevotella species from patients of the university hospital of maxillofacial surgery, sofia, bulgaria, in 2003-2009. | head-and-neck infections often involve anaerobes such as prevotella species. aim of the present study was to assess the evolution and the factors associated with resistance in prevotella species to penicillin, clindamycin, metronidazole, tetracycline and β-lactams/β-lactamase inhibitors (bl/blis). in total, 192 prevotella strains, isolated from patients with oral and head-and-neck infections, were evaluated. common isolates were prevotella intermedia and prevotella melaninogenica within the pigm ... | 2010 | 20670687 |