AmpicillinAmpicillin ResistanceAnti-Bacterial AgentsSulbactamHospitals, TeachingMicrobial Sensitivity TestsPivampicillinHospitals, UniversityHospitals, GeneralPenicillinsPenicillin ResistanceHospital CostsHospitals, UrbanNursing Staff, HospitalEconomics, HospitalHospitals, PediatricHospital Bed CapacityHospitals, SpecialDrug Resistance, MicrobialHospitals, Districtbeta-LactamasesHaemophilus influenzaeHospitals, PrivateChloramphenicolFinancial Management, HospitalDrug Resistance, BacterialGentamicinsEmergency Service, HospitalLength of StayRetrospective StudiesHospital PlanningHospital ChargesPenicillin GHospitalizationTrimethoprimR FactorsPenicillinaseSulfamethoxazoleHospital DepartmentsHospitals, PsychiatricTetracyclineEscherichia coliDrug Resistance, Multiple, BacterialCloxacillinPenicillanic AcidEnterococcus faecalisHospital RecordsCross InfectionHospital UnitsCephalosporinsEnterococcus faeciumEnterobacteriaceaeGram-Positive Bacterial Infectionsbeta-LactamsCephalexinDysentery, BacillaryEquipment and Supplies, HospitalAmoxicillinLibraries, HospitalCarbenicillinTalampicillinTime FactorsProbenecidFecesCephaloridineSurgery Department, HospitalKlebsiellaPatient AdmissionPatient DischargeHospitals, CountyOutpatient Clinics, HospitalShigellaInfant, NewbornHospital Bed Capacity, 500 and overEnterococcusConjugation, GeneticDNA, BacterialProspective StudiesAmerican Hospital AssociationTrimethoprim-Sulfamethoxazole CombinationHospitals, MunicipalFood Service, HospitalHospital Information SystemsProteusHaemophilus InfectionsNitrofurantoinObstetrics and Gynecology Department, HospitalSalmonella InfectionsUnited StatesSalmonellaShigella sonneiPenicillin VElectrophoresis, Gel, Pulsed-FieldHospitals, ReligiousCephalothinCefamandoleCeftriaxoneMeningitisDrug Therapy, CombinationUrinary Tract Infections