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| Attribute | Schema Datatype or enumeration | Usage | Definition | Business Rules |
| OID | oid | Required | Unique identifier for the StudyIntervention element. | The OID attribute for the StudyIntervention must be unique within the Study. |
The StudyIntervention element allows to describe a study intervention (medication, treatment, therapy ...) for the clinical study.
The human-readable description is provided in the Description element. The Coding element can be used to provide a machine-readable code for the indication, for example ATC M01AE01 code for "Ibuprofen" when used as a non-steroidal antiinflammatory drug.
Example:
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