PiperacillinPenicillin ResistancePenicillinsPseudomonasPenicillin GPseudomonas aeruginosaStreptococcus pneumoniaeAnti-Bacterial AgentsPenicillanic AcidMicrobial Sensitivity TestsPenicillin VPseudomonas InfectionsPenicillin-Binding ProteinsPneumococcal InfectionsDrug Resistance, MicrobialMuramoylpentapeptide CarboxypeptidaseHexosyltransferasesPeptidyl TransferasesDrug Resistance, BacterialPenicillin G ProcainePseudomonas putidaLactamsPenicillinasebeta-LactamasesPseudomonas fluorescensbeta-LactamsPenicillin AmidaseBacterial ProteinsNeisseria gonorrhoeaeTicarcillinCarbenicillinAmpicillinPenicillin G BenzathineDrug Resistance, Multiple, BacterialDrug Resistance, MultipleSerotypingAminoacyltransferasesCefotaximeDrug ResistanceBacteriaErythromycinDNA, BacterialCephalosporinsTransformation, BacterialTobramycinGenes, BacterialMolecular Sequence DataStreptococcusMacrolidesStreptococcal InfectionsAzlocillinGentamicinsPseudomonas syringaeCarrier ProteinsTetracyclineMutationNasopharynxPneumococcal VaccinesEnterobacteriaceaeOxacillinPlasmidsCulture MediaPneumonia, PneumococcalMezlocillinGram-Negative BacteriaStaphylococcusCeftazidimeR FactorsImipenemStaphylococcus aureusTransformation, GeneticDrug Resistance, NeoplasmMoraxella (Branhamella) catarrhalisSulbactamCefoxitinEscherichia coliPseudomonas PhagesPseudomonas stutzeriRespiratory Tract InfectionsBacteremiabeta-Lactam ResistanceBacterial InfectionsAztreonamThienamycinsCiprofloxacinAnti-Infective AgentsElectrophoresis, Gel, Pulsed-FieldClavulanic AcidDrug Therapy, CombinationDisease ResistanceAminoglycosidesCarrier StateAmikacinAmino Acid SequenceCefoperazoneBase SequenceKlebsiellaCephalothinHaemophilus influenzaeNeisseria meningitidis