AmpicillinAmpicillin ResistanceSulbactamAnti-Bacterial AgentsPivampicillinMicrobial Sensitivity TestsPenicillinsPenicillin ResistanceHaemophilus influenzaeDrug Resistance, Microbialbeta-LactamasesChloramphenicolGentamicinsPenicillin GPenicillinaseTrimethoprimSulfamethoxazoleR FactorsDrug Resistance, BacterialEscherichia coliTetracyclinePenicillanic AcidCloxacillinEnterococcus faecalisCephalosporinsCephalexinEnterococcus faeciumbeta-LactamsDysentery, BacillaryAmoxicillinEnterobacteriaceaeDrug Resistance, Multiple, BacterialTalampicillinCarbenicillinProbenecidCephaloridineGram-Positive Bacterial InfectionsShigellaKlebsiellaFecesConjugation, GeneticFisheriesTrimethoprim-Sulfamethoxazole CombinationNitrofurantoinHaemophilus InfectionsProteusEnterococcusShigella sonneiPenicillin VCephalothinSalmonella InfectionsCefamandoleSalmonellaDNA, BacterialCeftriaxoneMeningitisStreptomycinPenicillin-Binding ProteinsPlasmidsMeningitis, HaemophilusChloramphenicol ResistanceCefotaximeDrug Therapy, CombinationKanamycinNalidixic AcidCephalosporinaseCefuroximeClavulanic AcidsMeningitis, ListeriaEscherichia coli InfectionsCulture MediaLactamsSalmonella typhiCiprofloxacinEnterobacterAnti-Infective AgentsUrinary Tract InfectionsTyphoid FeverBacteriaVancomycinAmoxicillin-Potassium Clavulanate CombinationMezlocillinEndocarditis, BacterialAmdinocillin PivoxilDrug SynergismShigella dysenteriaebeta-Lactam ResistanceCefazolinMuramoylpentapeptide CarboxypeptidaseExtrachromosomal InheritanceAmdinocillinBacterial InfectionsSarcinaSulfisoxazoleElectrophoresis, Gel, Pulsed-FieldAminoglycosidesMoxalactamPeptidyl TransferasesCitrobacterHaemophilus