AmpicillinGram-Positive BacteriaAnti-Bacterial AgentsBacteriaGram-Negative BacteriaMicrobial Sensitivity TestsAmpicillin ResistanceGram-Positive Bacterial InfectionsPenicillinsPhytochemicalsFungiBacterial InfectionsAnti-Infective AgentsAnacardiaceaeGram-Negative Bacterial InfectionsEscherichia coliDrug Resistance, MicrobialPlant ExtractsCephalosporinsStaphylococcus aureusBacteria, AnaerobicSulbactamGentamicinsPenicillin ResistanceColony Count, MicrobialAntibiotic ProphylaxisEnterococcus faecalisBacteremiaDisk Diffusion Antimicrobial TestsEnterobacteriaceaeGram-Positive CocciAminoglycosidesDNA, BacterialDrug Resistance, BacterialPseudomonas aeruginosaBacterial ProteinsCarbenicillinPivampicillinMolecular Sequence DataStaphylococcal InfectionsProteusCephalexinCulture MediaPenicillin GAntifungal Agentsbeta-LactamasesRNA, Ribosomal, 16SMolecular StructurePenicillinaseCephalothinStaphylococcusCloxacillinKlebsiellaVancomycinKanamycinChloramphenicolTetracyclinebeta-LactamsMagnetic Resonance SpectroscopyCephaloridineBacillus subtilisSerratiaHaemophilus influenzaeCefazolinDrug Resistance, Multiple, BacterialStreptomycesErythromycinStreptococcusPhylogenyTeicoplaninButirosin SulfateEnterococcusFecesCefotaximeAntibiotics, AntineoplasticChemistryAmikacinHydroxyethylrutosideChemical PhenomenaCephalosporinaseEnterobacterTrimethoprimFermentationR FactorsCefamandoleCephamycinsTetracyclinesAmoxicillinSisomicinGentian VioletTicarcillinInfant, NewbornStreptomycinPenicillanic AcidSulfamethoxazoleStructure-Activity RelationshipRifamycinsRetrospective StudiesPhenazinesHarringtonines