Amoxicillin-Potassium Clavulanate CombinationClavulanic AcidClavulanic AcidsAmoxicillinbeta-LactamasesAnti-Bacterial AgentsPenicillanic Acidbeta-LactamsSulbactamMicrobial Sensitivity TestsTicarcillinbeta-Lactam ResistanceActinomycetaceaeCephalosporinasePiperacillinOtitis MediaHaemophilus influenzaeCephalosporinsThienamycinsPenicillinsEnterobacteriaceaeLactamsAmdinocillinDrug Therapy, CombinationCefuroximeBronchitis, ChronicCephalosporin ResistanceCommunity-Acquired InfectionsDrug Resistance, BacterialAzithromycinDrug Resistance, MicrobialCefotaximeEnterobacteriaceae InfectionsCeftazidimeKlebsiella pneumoniaeStreptococcus pneumoniaeRespiratory Tract InfectionsAmpicillinBacteria, AnaerobicStenotrophomonas maltophiliaKlebsiellaPenicillin ResistanceMoraxella (Branhamella) catarrhalisIsoelectric FocusingHaemophilus InfectionsGram-Negative BacteriaKlebsiella InfectionsDrug Resistance, Multiple, BacterialEscherichia coliBacterial InfectionsEnzyme InhibitorsPneumonia, BacterialUrinary Tract InfectionsPneumonia, PneumococcalDrug CombinationsHydrolysisDrug SynergismSpainMycobacterium tuberculosisTuberculosis, Multidrug-ResistantAcute DiseasePseudomonas aeruginosaAnti-Infective AgentsDouble-Blind MethodEscherichia coli InfectionsKineticsTreatment OutcomeSpectrometry, Mass, Electrospray IonizationDNA, BacterialBacteriaAdministration, OralEnzyme InductionBacterial ProteinsDrug Administration SchedulePolymerase Chain ReactionPlasmidsLungTime Factors