- Resource related to this observation A reference to another resource (usually another Observation) whose relationship is defined by the relationship type code.
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Key: = Must support, = QICore-defined extension, = Is-Modifier
Field Card. Type and Description 
id 0..1Stringunique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.target 1..1ReferenceA reference to the observation or [QuestionnaireResponse](questionnaireresponse.html#) resource that is related to this observation.type 0..1StringA code specifying the kind of relationship that exists with the target resource.Binding: ObservationRelationshipType (Required)
Key: = Must support, = QICore-defined extension, = Is-Modifier
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