Bacteria, AnaerobicBacteriaGram-Negative Anaerobic BacteriaAnaerobiosisBacteria, AerobicFusobacteriumPeptostreptococcusEubacteriumPeptococcusBacteroidesClostridiumGram-Positive BacteriaPeptococcaceaeBacteroides fragilisGram-Negative BacteriaBacteroidaceaeBacterial InfectionsBacteriological TechniquesRNA, Ribosomal, 16SVeillonellaCulture MediaAnti-Bacterial AgentsPrevotella melaninogenicaPropionibacteriumMicrobial Sensitivity TestsDNA, BacterialCefotetanDNA, RibosomalMolecular Sequence DataPhylogenyFermentationClostridium perfringensBacterial ProteinsCefoxitinPrevotellaMetronidazoleCephamycinsPorphyromonasAerobiosisSequence Analysis, DNABacteroides InfectionsSuppurationWater MicrobiologyClindamycinEsculinEscherichia coliSpecies SpecificityColony Count, MicrobialClostridium tetaniGram-Negative Facultatively Anaerobic RodsGram-Negative Aerobic BacteriaBase CompositionRNA, BacterialBiodegradation, EnvironmentalSoil MicrobiologyBacterial Physiological PhenomenaGenes, rRNALactamsVeillonellaceaeCecumFecesFusobacterium necrophorumActinomycetaceaeEvaluation Studies as TopicAbscessGenes, BacterialAnti-Infective AgentsDeltaproteobacteriaOrnidazoleEnterobacteriaceaeDesulfovibrioDrug Resistance, MicrobialPropionibacterium acnesPropionibacteriaceaeStreptococcusAgarHydrogen-Ion ConcentrationIntestinesValeratesGeologic SedimentsBites, HumanBacterial Typing TechniquesCarbenicillinSeawaterGene Expression Regulation, BacterialPeritonsillar AbscessOxidation-ReductionCefoperazoneFresh WaterTetrachloroethyleneGenome, BacterialAmino Acid SequenceBifidobacteriumFatty Acids, VolatileChromatography, GasBacteriologyFormatesPorphyromonas gingivalisPseudomonasCefmetazole