PiperacillinPenicillin ResistancePenicillinsPenicillin GStreptococcus pneumoniaePenicillanic AcidAnti-Bacterial AgentsMicrobial Sensitivity TestsPenicillin VPneumococcal InfectionsPenicillin-Binding ProteinsMuramoylpentapeptide CarboxypeptidaseDrug Resistance, MicrobialHexosyltransferasesPeptidyl TransferasesDrug Resistance, BacterialPenicillin G ProcaineLactamsPenicillinasePenicillin Amidasebeta-LactamasesNeisseria gonorrhoeaebeta-LactamsTicarcillinAmpicillinPenicillin G BenzathineCarbenicillinDrug Resistance, Multiple, BacterialBacterial ProteinsDrug Resistance, MultipleAminoacyltransferasesSerotypingDrug ResistanceCefotaximeErythromycinBacteriaStreptococcal InfectionsTransformation, BacterialMacrolidesCephalosporinsStreptococcusCarrier ProteinsPseudomonas aeruginosaNasopharynxTetracyclinePneumococcal VaccinesOxacillinDNA, BacterialPneumonia, PneumococcalAzlocillinMoraxella (Branhamella) catarrhalisTobramycinStaphylococcusGentamicinsStaphylococcus aureusEnterobacteriaceaeMolecular Sequence DataMezlocillinDrug Resistance, NeoplasmTransformation, GeneticBacterial InfectionsRespiratory Tract InfectionsSulbactamCefoxitinDisease ResistanceMutationR FactorsGenes, BacterialGram-Negative BacteriaBacteremiaPlasmidsCarrier StateClavulanic AcidCulture Mediabeta-Lactam ResistanceCeftazidimeHaemophilus influenzaeDrug Therapy, CombinationImipenemElectrophoresis, Gel, Pulsed-FieldAnti-Infective AgentsCommunity-Acquired InfectionsNeisseria meningitidisPlant DiseasesFloxacillinAztreonamEscherichia coliCephalothinCefoperazoneVascular ResistanceClavulanic AcidsCiprofloxacinKlebsiellaThienamycinsSpainPolymerase Chain ReactionPseudomonas InfectionsAminoglycosidesDrug Resistance, ViralSerratia