Medical Order Entry SystemsDrug Therapy, Computer-AssistedMedication Systems, HospitalMedication ErrorsHospital Information SystemsClinical Pharmacy Information SystemsMedical Records Systems, ComputerizedDecision Support Systems, ClinicalUser-Computer InterfaceAttitude to ComputersOrganizational InnovationMedication SystemsRadiology Department, HospitalReminder SystemsPharmacy Service, HospitalDecision Making, Computer-AssistedPatient Care ManagementSystems IntegrationLogical Observation Identifiers Names and CodesHospitals, VeteransSafety ManagementDiffusion of InnovationPhysiciansMedical Staff, HospitalAcademic Medical CentersPhysician's Practice PatternsMedical ErrorsDrug-Related Side Effects and Adverse ReactionsAmbulatory Care Information SystemsElectronic PrescribingUnited States Department of Veterans AffairsComputers, MainframeClinical Laboratory Information SystemsComputer User TrainingTime and Motion Studies