Definition
                An indicator of whether a person has ever received a blow to the head resulting in a loss of consciousness. 
            
            
Components
Data Element
        
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            Data Element Concept (this item)Person—blow to the head indicator- 
                    Object ClassPerson
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                    PropertyBlow to the head indicator
 
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            Conceptual DomainNone
References
Related content
| Relation | Count | 
|---|---|
| Data Elements implementing this Data Element Concept | 1 |