{description: Profile of Group for Evidence Based Medicine IG. The ExposureDefinition Profile is used to express the criteria defining an evidence variable (or categorical value for a variable) in the role of exposure., package_name: hl7.fhir.uv.ebm, derivation: constraint, name: ExposureDefinition, type: Group, package_version: 1.0.0-ballot, class: profile, kind: resource, url: 'http://hl7.org/fhir/uv/ebm/StructureDefinition/exposure-definition', base: 'http://hl7.org/fhir/uv/ebm/StructureDefinition/cohort-definition', version: 1.0.0-ballot}