. <a href="narrative.html">Narrative</a> and <a href="datatypes.html#Attachment">Attachment</a> elements present particularly difficult challenges.
See standards below for further details.
</p><p>
<em>Discussion:</em>
Obviously the most important elements for de-identification are names and identifiers. FHIR resources have 
many different types of ids and identifiers that serve different purposes. Some (<code>id</code>s) are the basis for internal
links between different resources, while identifiers are mai