PiperacillinPenicillin ResistancePenicillinsPenicillin GStreptococcus pneumoniaeDrug Resistance, MicrobialAnti-Bacterial AgentsMicrobial Sensitivity TestsDrug ResistanceDrug Resistance, BacterialPenicillanic AcidPenicillin VPneumococcal InfectionsPenicillin-Binding ProteinsDrug Resistance, NeoplasmDrug Resistance, MultipleDrug Resistance, ViralMuramoylpentapeptide CarboxypeptidasePeptidyl TransferasesHexosyltransferasesDrug Resistance, Multiple, BacterialPenicillin G ProcainePenicillinaseLactamsbeta-Lactamasesbeta-LactamsPenicillin AmidaseNeisseria gonorrhoeaeAmpicillinTicarcillinPenicillin G BenzathineBacterial ProteinsCarbenicillinSerotypingMutationErythromycinAminoacyltransferasesCefotaximeDisease ResistanceTetracyclineVascular ResistanceMacrolidesR FactorsTransformation, BacterialDrug Resistance, FungalBacteriaDNA, BacterialStreptococcal InfectionsCarrier ProteinsStreptococcusCephalosporinsMolecular Sequence DataPseudomonas aeruginosaOxacillinGentamicinsNasopharynxStaphylococcusPneumococcal VaccinesEnterobacteriaceaePlasmidsStaphylococcus aureusTransformation, Geneticbeta-Lactam ResistanceGenes, BacterialPneumonia, PneumococcalTobramycinAzlocillinMoraxella (Branhamella) catarrhalisEscherichia coliP-GlycoproteinMezlocillinTetracycline ResistanceDrug Therapy, CombinationCefoxitinDrug Resistance, Multiple, ViralSulbactamAnti-Infective AgentsGram-Negative BacteriaBacteremiaBacterial InfectionsElectrophoresis, Gel, Pulsed-FieldRespiratory Tract InfectionsCulture MediaPolymerase Chain ReactionImipenemStreptomycinCiprofloxacinAntitubercular AgentsCarrier StateCeftazidimeAminoglycosidesClavulanic AcidBase SequenceHaemophilus influenzaeKlebsiellaCommunity-Acquired InfectionsAmino Acid SequenceSpainDrug SynergismPlant Diseases