| Source Element | Usage | Target |
| ResearchElementDefinition.id | UseElementSameName | ResearchElementDefinition.id |
| ResearchElementDefinition.meta | UseElementSameName | ResearchElementDefinition.meta |
| ResearchElementDefinition.implicitRules | UseElementSameName | ResearchElementDefinition.implicitRules |
| ResearchElementDefinition.language | UseElementSameName | ResearchElementDefinition.language |
| ResearchElementDefinition.text | UseElementSameName | ResearchElementDefinition.text |
| ResearchElementDefinition.contained | UseElementSameName | ResearchElementDefinition.contained |
| ResearchElementDefinition.extension | UseElementSameName | ResearchElementDefinition.extension |
| ResearchElementDefinition.modifierExtension | UseElementSameName | ResearchElementDefinition.modifierExtension |
| ResearchElementDefinition.url | UseElementSameName | ResearchElementDefinition.url |
| ResearchElementDefinition.identifier | UseElementSameName | ResearchElementDefinition.identifier |
| ResearchElementDefinition.version | UseElementSameName | ResearchElementDefinition.version |
| ResearchElementDefinition.name | UseElementSameName | ResearchElementDefinition.name |
| ResearchElementDefinition.title | UseElementSameName | ResearchElementDefinition.title |
| ResearchElementDefinition.shortTitle | UseElementSameName | ResearchElementDefinition.shortTitle |
| ResearchElementDefinition.subtitle | UseElementSameName | ResearchElementDefinition.subtitle |
| ResearchElementDefinition.status | UseElementSameName | ResearchElementDefinition.status |
| ResearchElementDefinition.experimental | UseElementSameName | ResearchElementDefinition.experimental |
| ResearchElementDefinition.subject[x] | UseElementSameName | ResearchElementDefinition.subject[x] |
| ResearchElementDefinition.date | UseElementSameName | ResearchElementDefinition.date |
| ResearchElementDefinition.publisher | UseElementSameName | ResearchElementDefinition.publisher |
| ResearchElementDefinition.contact | UseElementSameName | ResearchElementDefinition.contact |
| ResearchElementDefinition.description | UseElementSameName | ResearchElementDefinition.description |
| ResearchElementDefinition.comment | UseElementSameName | ResearchElementDefinition.comment |
| ResearchElementDefinition.useContext | UseElementSameName | ResearchElementDefinition.useContext |
| ResearchElementDefinition.jurisdiction | UseElementSameName | ResearchElementDefinition.jurisdiction |
| ResearchElementDefinition.purpose | UseElementSameName | ResearchElementDefinition.purpose |
| ResearchElementDefinition.usage | UseElementSameName | ResearchElementDefinition.usage |
| ResearchElementDefinition.copyright | UseElementSameName | ResearchElementDefinition.copyright |
| ResearchElementDefinition.approvalDate | UseElementSameName | ResearchElementDefinition.approvalDate |
| ResearchElementDefinition.lastReviewDate | UseElementSameName | ResearchElementDefinition.lastReviewDate |
| ResearchElementDefinition.effectivePeriod | UseElementSameName | ResearchElementDefinition.effectivePeriod |
| ResearchElementDefinition.topic | UseElementSameName | ResearchElementDefinition.topic |
| ResearchElementDefinition.author | UseElementSameName | ResearchElementDefinition.author |
| ResearchElementDefinition.editor | UseElementSameName | ResearchElementDefinition.editor |
| ResearchElementDefinition.reviewer | UseElementSameName | ResearchElementDefinition.reviewer |
| ResearchElementDefinition.endorser | UseElementSameName | ResearchElementDefinition.endorser |
| ResearchElementDefinition.relatedArtifact | UseElementSameName | ResearchElementDefinition.relatedArtifact |
| ResearchElementDefinition.library | UseElementSameName | ResearchElementDefinition.library |
| ResearchElementDefinition.type | UseElementSameName | ResearchElementDefinition.type |
| ResearchElementDefinition.variableType | UseElementSameName | ResearchElementDefinition.variableType |
| ResearchElementDefinition.characteristic | UseElementSameName | ResearchElementDefinition.characteristic |
| ResearchElementDefinition.characteristic.id | UseElementSameName | ResearchElementDefinition.characteristic.id |
| ResearchElementDefinition.characteristic.extension | UseElementSameName | ResearchElementDefinition.characteristic.extension |
| ResearchElementDefinition.characteristic.modifierExtension | UseElementSameName | ResearchElementDefinition.characteristic.modifierExtension |
| ResearchElementDefinition.characteristic.definition[x] | UseElementSameName | ResearchElementDefinition.characteristic.definition[x] |
| ResearchElementDefinition.characteristic.usageContext | UseElementSameName | ResearchElementDefinition.characteristic.usageContext |
| ResearchElementDefinition.characteristic.exclude | UseElementSameName | ResearchElementDefinition.characteristic.exclude |
| ResearchElementDefinition.characteristic.unitOfMeasure | UseElementSameName | ResearchElementDefinition.characteristic.unitOfMeasure |
| ResearchElementDefinition.characteristic.studyEffectiveDescription | UseElementSameName | ResearchElementDefinition.characteristic.studyEffectiveDescription |
| ResearchElementDefinition.characteristic.studyEffective[x] | UseElementSameName | ResearchElementDefinition.characteristic.studyEffective[x] |
| ResearchElementDefinition.characteristic.studyEffectiveTimeFromStart | UseElementSameName | ResearchElementDefinition.characteristic.studyEffectiveTimeFromStart |
| ResearchElementDefinition.characteristic.studyEffectiveGroupMeasure | UseElementSameName | ResearchElementDefinition.characteristic.studyEffectiveGroupMeasure |
| ResearchElementDefinition.characteristic.participantEffectiveDescription | UseElementSameName | ResearchElementDefinition.characteristic.participantEffectiveDescription |
| ResearchElementDefinition.characteristic.participantEffective[x] | UseElementSameName | ResearchElementDefinition.characteristic.participantEffective[x] |
| ResearchElementDefinition.characteristic.participantEffectiveTimeFromStart | UseElementSameName | ResearchElementDefinition.characteristic.participantEffectiveTimeFromStart |
| ResearchElementDefinition.characteristic.participantEffectiveGroupMeasure | UseElementSameName | ResearchElementDefinition.characteristic.participantEffectiveGroupMeasure |