<membership value="conceptual"/><characteristic><code><text value="Defined by Reference"/></code><valueUri value="http://example.org/fhir/ActivityDefinition/example-alteplase-dosing"/><exclude value="false"/><description value="IV alteplase 0.9 mg/kg (maximum 90 mg) as 10% of dose over 1 minute and 90% over 1 hour"/></characteristic></Group></contained><extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg"><valueCode value="cds"/></extension><name value="AlteplaseForStroke"/><title value="Alteplase for Stroke"/><status value="draft"/><publisher value="HL7 International / Clinical Decision Support"/><contact><telecom><system value="url"/><value value="http://www.hl7.org/Special/committees/dss"/></telecom></contact><description value="Alteplase for Stroke"/><actual value="false"/><definition><reference><reference value="#Definition-Group"/></reference></definition><handling/></EvidenceVariable>

"Alteplase for Stroke" is an exposure concept with a detailed dosing instruction that may be used in expressing what an Evidence is about.