Antibiotic ProphylaxisSurgical Wound InfectionAnti-Bacterial AgentsCefazolinPremedicationPuerperal InfectionFloxacillinCefuroximeBacterial InfectionsStreptococcal InfectionsOral Surgical ProceduresVesico-Ureteral RefluxProsthesis-Related InfectionsCerebrospinal Fluid OtorrheaStreptococcus agalactiaeEndocarditis, BacterialPost-Exposure ProphylaxisGastrostomyDental Care for Chronically IllCephalosporinsClindamycinGuideline AdherencePerioperative CareTreatment OutcomeGentamicinsCephradineMicrobial Sensitivity TestsTrimethoprim-Sulfamethoxazole CombinationPenicillinsPatient IsolatorsDrug Therapy, CombinationProspective StudiesCefotetanEndometritisThoracic SurgeryCefonicidBioterrorismUrinary Tract InfectionsRetrospective StudiesBacteremia