OHRA

AcronymDefinition
OHRAOpen Hypermedia Reference Architecture
OHRAOffice of Reconstruction and Humanitarian Assistance (Iraq)
OHRAOntario Health Research Alliance (Canada)
OHRAOlde Hanwell Residents Association (UK)
OHRAOntario Health Record Association (now Ontario Health Information Management Association; Canada)
OHRAOzarks Hunting Retriever Association (Arkansas)
OHRAOccupational Health Risk Assessment Questionnaire