description: Profile of Group for Evidence Based Medicine IG. The NetEffectContributions Profile is used to represent an enumerated group of participants in a net effect analysis where the participants are Evidence Resources (NetEffectContribution Profile). package_name: hl7.fhir.uv.ebm derivation: constraint name: NetEffectContributions type: Group elements: code: elements: text: pattern: {type: String, value: Net Effect Contribution} index: 0 characteristic: index: 1 elements: code: elements: text: pattern: {type: String, value: Member of} index: 2 value: choices: [] index: 4 slicing: rules: open ordered: false discriminator: - {path: $this, type: type} min: null slices: valueReference: match: {} schema: choices: [valueReference] index: 6 min: 0 max: 1 valueReference: type: Reference choiceOf: value refers: ['http://hl7.org/fhir/uv/ebm/StructureDefinition/net-effect-contribution-list'] index: 7 slicing: slices: valueReference: match: {} schema: type: Reference choiceOf: value refers: ['http://hl7.org/fhir/uv/ebm/StructureDefinition/net-effect-contribution-list'] index: 7 min: 0 max: 1 package_version: 1.0.0-ballot class: profile kind: resource url: http://hl7.org/fhir/uv/ebm/StructureDefinition/net-effect-contributions base: http://hl7.org/fhir/uv/ebm/StructureDefinition/group-r6 version: 1.0.0-ballot required: [characteristic]