evidence 

Indicates the nature of the evidence supporting the reliability or
accuracy of the intervention or interpretation. Suggested values include: 'internal',
'external', 'conjecture'.

Attribute Information

Used By

Attribute Group mei:mei_att.evidence.attribute.evidence

Source 

<xs:attribute name="evidence" type="xs:NMTOKEN">
  <xs:annotation>
    <xs:documentation>Indicates the nature of the evidence supporting the reliability or accuracy of the intervention or interpretation. Suggested values include: 'internal', 'external', 'conjecture'.</xs:documentation>
  </xs:annotation>
</xs:attribute>

Sample