Bacteroides InfectionsBacteroidesEubacteriumAbortion, SepticBacteroides fragilisClindamycinBacteria, AnaerobicGram-Negative BacteriaBacteriaPrevotella melaninogenicaAnaerobiosisPeptococcusFusobacteriumPeptostreptococcusGram-Negative Anaerobic BacteriaVeillonellaBacteria, AerobicBacterial InfectionsGram-Positive BacteriaAnti-Bacterial AgentsGram-Negative Bacterial InfectionsPyruvate SynthaseClostridiumMicrobial Sensitivity TestsBacteriological TechniquesRNA, Ribosomal, 16SPhylogenyCulture MediaAnti-Infective AgentsDNA, BacterialMolecular Sequence DataAerobiosisMetronidazoleGram-Negative Aerobic BacteriaDNA, RibosomalEscherichia coliBacterial ProteinsSequence Analysis, DNASpecies SpecificityGenes, BacterialBacteremiaEnterobacteriaceaePhytochemicalsFecesAmino Acid Sequence