AmpicillinAmpicillin ResistanceSulbactamAnti-Bacterial AgentsMicrobial Sensitivity TestsPivampicillinPenicillinsPenicillin ResistanceHaemophilus influenzaeDrug Resistance, MicrobialChloramphenicolbeta-LactamasesGentamicinsEscherichia coliPenicillin GPenicillinaseTrimethoprimSulfamethoxazoleR FactorsDrug Resistance, BacterialTetracyclinePenicillanic AcidCloxacillinEnterococcus faecalisCephalosporinsCephalexinEnterococcus faeciumbeta-LactamsDysentery, BacillaryEnterobacteriaceaeAmoxicillinDrug Resistance, Multiple, BacterialTalampicillinCarbenicillinProbenecidCephaloridineGram-Positive Bacterial InfectionsShigellaFecesKlebsiellaConjugation, GeneticDNA, BacterialTrimethoprim-Sulfamethoxazole CombinationNitrofurantoinHaemophilus InfectionsProteusEnterococcusShigella sonneiPenicillin VCephalothinSalmonella InfectionsCefamandoleSalmonellaCeftriaxonePlasmidsStreptomycinPenicillin-Binding ProteinsCulture MediaMeningitisMeningitis, HaemophilusChloramphenicol ResistanceCefotaximeDrug Therapy, CombinationBacteriaKanamycinNalidixic AcidCephalosporinaseCefuroximeEscherichia coli InfectionsClavulanic AcidsLactamsSalmonella typhiMeningitis, ListeriaEnterobacterAnti-Infective AgentsCiprofloxacinUrinary Tract InfectionsVancomycinTyphoid FeverAmoxicillin-Potassium Clavulanate CombinationMezlocillinEndocarditis, BacterialDrug SynergismAmdinocillin PivoxilMuramoylpentapeptide CarboxypeptidaseShigella dysenteriaeCefazolinbeta-Lactam ResistanceExtrachromosomal InheritanceSarcinaBacterial InfectionsAmdinocillinSulfisoxazoleElectrophoresis, Gel, Pulsed-FieldAminoglycosidesTime FactorsPeptidyl TransferasesCitrobacterMoxalactamHaemophilus