...
<ref>
<element-citation publication-type="journal" publication-format="print">
<name><surname>Laking</surname>
<given-names>G</given-names></name>
<name><surname>Lord</surname>
<given-names>J</given-names></name>
<name><surname>Fischer</surname>
<given-names>A</given-names></name>
<article-title>The economics of diagnosis</article-title>
<source>Health Econ</source>
<comment>Forthcoming 2006</comment>
</element-citation>
</ref>
...



                  
...
<ref>
<mixed-citation publication-type="journal" publication-format="print">
<string-name><surname>Laking</surname>
<given-names>G</given-names></string-name>,
<string-name><surname>Lord</surname>
<given-names>J</given-names></string-name>,
<string-name><surname>Fischer</surname>
<given-names>A</given-names></string-name>.
<article-title>The economics of
diagnosis</article-title>. <source>Health
Econ</source>. Forthcoming 2006.</mixed-citation>
</ref>
...