Provides a URI reference pointing to some resource that describes the role or function of a link
<abbrev>,
<award-group>,
<award-id>,
<bio>,
<chem-struct>,
<collab>,
<contrib>,
<ext-link>,
<funding-source>,
<funding-statement>,
<graphic>,
<inline-graphic>,
<inline-supplementary-material>,
<institution>,
<license>,
<media>,
<mixed-citation>,
<named-content>,
<product>,
<supplementary-material>
| Value |
Meaning |
| Text, numbers, or special characters |
The URI of a resource that describes the role, reason, or
rationale for the link
|
| Restriction: This attribute may be specified if the element is used.
|