Anti-Bacterial AgentsAntibiotic ProphylaxisMicrobial Sensitivity TestsDrug Resistance, MicrobialDrug Resistance, BacterialAminoglycosidesStreptomycesAntibiotics, AntineoplasticBacteriaBacterial InfectionsGentamicinsDrug Resistance, Multiple, BacterialDrug ResistancePenicillinsbeta-LactamsEscherichia coliErythromycinStaphylococcus aureusTetracyclineDrug UtilizationAmpicillinBacterial ProteinsMacrolidesAnti-Infective AgentsCephalosporinsFermentationCiprofloxacinStreptomycinKanamycinPseudomonas aeruginosaVancomycinPenicillin ResistanceGram-Positive BacteriaGram-Negative BacteriaStaphylococcal InfectionsMutationDNA, BacterialMolecular Sequence DataChloramphenicolClindamycinPenicillin GLactamsDrug Resistance, Multiplebeta-LactamasesCulture MediaTobramycinStaphylococcusCross InfectionCefazolinSurgical Wound InfectionNeomycinLincomycinChemistryEnterobacteriaceaeChemical PhenomenaStreptococcus pneumoniaeDrug PrescriptionsTime FactorsFluoroquinolonesRifampinGenes, BacterialAmoxicillinAzithromycinThienamycinsPolymyxinsAntifungal AgentsDrug Therapy, CombinationEnterococcusCefotaximeCeftriaxoneGram-Negative Bacterial InfectionsPseudomonas InfectionsOxytetracyclineColony Count, MicrobialBiofilmsBacteremia