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: type: {index: 0} membership: pattern: {type: Code, value: conceptual} index: 1 code: elements: text: pattern: {type: String, value: Net Effect Contribution} index: 2 characteristic: index: 3 elements: code: elements: text: pattern: {type: String, value: Member of} index: 4 value: choices: [] index: 6 slicing: rules: open ordered: false discriminator: - {path: $this, type: type} min: null slices: valueReference: match: {} schema: choices: [valueReference] index: 8 min: 0 max: 1 valueReference: type: Reference choiceOf: value refers: ['http://hl7.org/fhir/uv/ebm/StructureDefinition/net-effect-contribution-list'] index: 9 slicing: slices: valueReference: match: {} schema: type: Reference choiceOf: value refers: ['http://hl7.org/fhir/uv/ebm/StructureDefinition/net-effect-contribution-list'] index: 9 min: 0 max: 1 exclude: pattern: {type: Boolean, value: false} index: 10 package_version: 1.0.0-ballot2 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-ballot2 required: [characteristic]