Bacteroides fragilisBacteroidesBacteroides InfectionsPolysaccharides, BacterialPolysaccharidesBacteria, AnaerobicPrevotella melaninogenicaFusobacteriumClindamycinCefoxitinAbscessMicrobial Sensitivity TestsAnaerobiosisBacterial CapsulesMetronidazoleAnti-Bacterial AgentsDrug Resistance, MicrobialImipenemCefotetanDNA, BacterialAbdominal AbscessBacteriaPrevotellaPeptostreptococcusBacteria, AerobicNaphthyridinesbeta-LactamasesFecesGram-Negative Anaerobic BacteriaSuppurationBacterial ProteinsCephamycinsMolecular Sequence DataEscherichia coliGenes, BacterialMoxalactamCephalosporinaseThienamycinsConjugation, GeneticPorphyromonasAnti-Infective AgentsFluoroquinolonesBacteroidaceaeCephalosporinsCulture MediaCarbohydrate SequenceBacterial InfectionsPenicillanic AcidAntibodies, BacterialClostridiumCeftizoximeDNA Transposable ElementsTetracyclineSpecies SpecificityLactamsGram-Positive BacteriaAntigens, Bacterialbeta-LactamsAza CompoundsCedrusFungal PolysaccharidesCefmetazoleEnterotoxinsCarbohydrate ConformationMetalloendopeptidasesPiperacillinErythromycinSulbactamO AntigensColony Count, MicrobialClavulanic AcidsPeptococcusFusobacterium InfectionsClavulanic AcidCefotaximeBlood Bactericidal ActivityTicarcillinLincomycinEubacteriumBase SequencePenicillin GAerobiosisBacteriological Techniques