Getting All Text Between Tags in XML ?

[seanmu13]

Lets say the xml file looks like:

<article>
<title>Help</title>
<abstract>
<p>First pgraph.</p>
<p>Second pgraph</p>
</abstract>
</article>

<article>
<title>Help</title>
<abstract>
<p>First pgraph.</p>
<p>Second pgraph</p>
</abstract>
</article>

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and I want to extract everything (data as well as tags) between the abstract tags so I could put that in a string. The thing I extract would then be:

<p>First pgraph.</p>
<p>Second pgraph</p>

<p>First pgraph.</p>
<p>Second pgraph</p>

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Anybody know how to do this?