AbscessBrain AbscessLiver AbscessEpidural AbscessAbdominal AbscessDrainageLung AbscessPsoas AbscessLiver Abscess, AmebicLiver Abscess, PyogenicPeriapical AbscessRetropharyngeal AbscessPeritonsillar AbscessSubphrenic AbscessPeriodontal AbscessSuppurationSplenic DiseasesFusobacterium InfectionsBacteroides InfectionsFusobacterium necrophorum