AmpicillinAmpicillin ResistanceSulbactamAnti-Bacterial AgentsPivampicillinMicrobial Sensitivity TestsPenicillinsPenicillin ResistanceHaemophilus influenzaeDrug Resistance, Microbialbeta-LactamasesChloramphenicolGentamicinsPenicillin GPenicillinaseTrimethoprimSulfamethoxazoleR FactorsDrug Resistance, BacterialTetracyclinePenicillanic AcidEscherichia coliCloxacillinEnterococcus faecalisCephalosporinsCephalexinEnterococcus faeciumbeta-LactamsDysentery, BacillaryAmoxicillinEnterobacteriaceaeDrug Resistance, Multiple, BacterialTalampicillinCarbenicillinProbenecidCephaloridineGram-Positive Bacterial InfectionsShigellaKlebsiellaFecesConjugation, GeneticTrimethoprim-Sulfamethoxazole CombinationNitrofurantoinHaemophilus InfectionsProteusEnterococcusShigella sonneiPenicillin VCephalothinSalmonella InfectionsCefamandoleSalmonellaDNA, BacterialCeftriaxoneMeningitisStreptomycinPenicillin-Binding ProteinsMeningitis, HaemophilusChloramphenicol ResistanceCefotaximeDrug Therapy, CombinationKanamycinNalidixic AcidCephalosporinaseCefuroximeClavulanic AcidsMeningitis, ListeriaEscherichia coli InfectionsLactamsSalmonella typhiPlasmidsCiprofloxacinEnterobacterAnti-Infective AgentsUrinary Tract InfectionsTyphoid FeverBacteriaVancomycinAmoxicillin-Potassium Clavulanate CombinationMezlocillinCulture MediaEndocarditis, BacterialAmdinocillin PivoxilDrug SynergismShigella dysenteriaebeta-Lactam ResistanceCefazolinMuramoylpentapeptide CarboxypeptidaseExtrachromosomal InheritanceAmdinocillinBacterial InfectionsSarcinaSulfisoxazoleElectrophoresis, Gel, Pulsed-FieldAminoglycosidesMoxalactamPeptidyl TransferasesCitrobacterHaemophilusAnti-Infective Agents, Urinary