| ResearchSubject | StudySubject |
| identifier | StudySubject > Subject.identifier |
| status | StudySubject.statusCode |
| period | PerformedStudySubjectMilestone.studyReferenceDateRange |
| study | StudySubjectProtocolVersionRelationship |
| individual | StudySubject |
| assignedArm | Arm > ExperimentalUnit > BiologicEntity > Subject > StudySubject |
| actualArm | Arm > ExperimentalUnit > BiologicEntity > Subject > StudySubject |
| consent | ResearchStudy.consent is related to PerformedStudySubjectMilestone.informedConsentIndicator in that the informedConsentIndicator can be derived from the data in the Consent resource. |