Used for any kind of internal article referencing.
This element may be used to reference anything that has an Identifier attribute (an attribute of type id). This single element takes the place of the many named types of references (such as figure references, table references, and footnote references) that are common in many journal DTDs.
The ref-type attribute (of the <xref> element) can be used to preserve information concerning what type of element is being pointed to by the cross-reference.
Display/Formatting Note: The content of the reference (if present) will be displayed as the link.
Any combination of:
<article> <front> ... </front> <body>... <p>Geriatric day hospitals developed rapidly in the United Kingdom in the 1960s as an important component of care provision. ... Although there is considerable descriptive literature on day hospital care,<xref ref-type="bibr" rid="B1">1</xref> concern has been expressed that evidence for effectiveness is equivocal and that day hospital care is expensive.<xref ref-type="bibr" rid="B2">2</xref> ...</p>... </body> <back>... <ref-list> <ref id="B1"><label>1</label> <citation> <collab>Research Unit of the Royal College of Physicians and British Geriatric Society</collab> <source>Geriatric day hospitals: their role and guidelines for good practice.</source> <year>1994</year> <publisher-name>RCP</publisher-name> <publisher-loc>London</publisher-loc>. </citation> </ref> <ref id="B2">...</ref> ... </ref-list>... </back> </article>
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