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 SystemsPharmacy Service, HospitalReminder SystemsRadiology Department, HospitalDecision Making, Computer-AssistedPatient Care ManagementSystems IntegrationLogical Observation Identifiers Names and CodesHospitals, VeteransSafety ManagementDiffusion of InnovationPhysiciansMedical Staff, HospitalPhysician's Practice PatternsAcademic Medical CentersFamily PracticeMedical ErrorsDrug-Related Side Effects and Adverse ReactionsAmbulatory Care Information SystemsElectronic PrescribingUnited States Department of Veterans AffairsComputers, MainframeComputer User TrainingPractice Guidelines as TopicClinical Laboratory Information SystemsUnited StatesTime and Motion Studies