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<title>RSS Feeds Available from PubMed. NLM Technical Bulletin. 2005 May-Jun</title>
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<meta name="DC.Subject.Keyword" content="Journal Title Abbreviation" />
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<tr><td width="30">&nbsp;</td><td width="470"><font size="2"><strong>May 6, 2005</strong> [posted]</font><br />
<font size="2"><strong>June 7, 2005</strong> [<a href="#note">note added</a>]</font></td><td width="30">
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<tr><td width="30">&nbsp;</td><td width="470"><font size="5"><strong>RSS Feeds Available from PubMed<sup><font size=-2>&#174;</font></sup></strong></font><br /></td><td width="30">&nbsp;</td></tr>
<tr><td width="30">&nbsp;</td><td width="470">
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<p>
<em><a name = "note">[Editor's</a> Note: This feature was implemented in PubMed on June 2, 2005.]</em>
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<p>
<img src="/pubs/techbull/new_tb_graphics/p.gif" border="0" align="left" alt="drop cap letter for p"/>
ubMed will soon offer RSS 2.0 (Really Simple Syndication) feeds. RSS is a Web standard for the delivery of news and other frequently updated content provided by Web sites. An RSS reader is required to use this service on your computer and retrieve new items from PubMed. There are numerous RSS readers from which to choose and many are available to download free from the Web. Different RSS readers behave and display data differently. The following is an example of the process for setting up an RSS feed. Not all readers will behave the same way.
</p>
<p>
You can set up multiple PubMed searches for RSS feeds. PubMed RSS feeds will include citations retrieved by your PubMed searches since the last time you were connected to your RSS reader.
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<p>
To add PubMed searches to your collection of RSS feeds, run a search in PubMed and choose RSS Feed from the Send to pull-down menu (see <a href="#fig1">Figure 1</a>).
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<a name="fig1" id="fig1">&nbsp;</a>
<img src="/pubs/techbull/mj05/graphics/rss_fig1.gif" alt="figure 1: graphic" />
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This will take you to the RSS Options Page where you may name the feed and limit the number of items to be displayed by each feed (see <a href="#fig2">Figure 2</a>). If the number of citations retrieved is greater than your "limit" number, you will have the option to link to PubMed to see the entire retrieval.
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<a name="fig2" id="fig2">&nbsp;</a>
<img src="/pubs/techbull/mj05/graphics/rss_figure2.gif" alt="figure 2: graphic" />
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After clicking the Create Feed button, the system will generate an XML icon (see <a href="#fig3">Figure 3</a>).
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<a name="fig3" id="fig3">&nbsp;</a>
<img src="/pubs/techbull/mj05/graphics/rss_figure3.gif" alt="figure 3: graphic" />
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<p>
Click the XML icon to display a screen of XML. You don't need the code, just the the URL from the address line (see <a href="#fig4">Figure 4</a>). Copy and paste this into the "subscribe" form located in your RSS reader. Web Browsers and RSS readers may use different options to copy the feed.
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<a name="fig4" id="fig4">&nbsp;</a>
<img src="/pubs/techbull/mj05/graphics/rss_fig4.gif" alt="figure 4: graphic" />
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<p>
Once you have successfully subscribed to a PubMed RSS feed you will receive daily messages in your RSS reader (see <a href="#fig5">Figure 5</a>).
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<a name="fig5" id="fig5">&nbsp;</a>
<img src="/pubs/techbull/mj05/graphics/rss_fig5.gif" alt="figure 5: graphic" />
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<p>
<strong>RSS Update Strategy</strong><br />
PubMed RSS feeds will use the same "What's New" strategy used by My NCBI for updating saved searches. <br /><br />
Searches with <strong>untagged terms</strong> use the following query: <br /><br />
<strong>Query AND T1 : T2 [MHDA] NOT Query [TIAB] AND 0001 : T1 [EDAT]</strong><br />
Where:<br />
Query = saved search. <br />
T1 = the date and time the search was last updated. <br />
T2 = today's date and time. <br />
0001 = the date that will include all citations. <br />
[MHDA] = the search tag for the MeSH date. This field reflects the date MeSH terms were added to the citation. (Note: until MeSH terms are added, the MHDA value is the same as the EDAT.) <br />
[EDAT] = the search tag for the Entrez date field the date the citation was added to PubMed. <br />
[TIAB] = the search tag for words in the Title and Abstract fields.<br />
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<p>
Searches for RSS feeds that include Search field tags or some Limits use an abbreviated "What's New" search to ensure that all citations are retrieved. This approach may result in some duplication of citations.
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<p>
Searches that include these search tags or their aliases AU, PS, IP, TA, LA, PG, TI, TIAB, or VI use the following: Query AND T1 : T2 [EDAT].
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<p>
Searches that include the Search Field tags (may be in addition to other tags) AD, FILTER, SB, RN, MAJR, MESH, PT, SI, SH, NM, or TW, use the strategy: Query AND T1 : T2 [MHDA]
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<p>
<strong>RSS or Automatic E-mailed Updates? </strong><br />
Daily updates can be obtained using either the new RSS feed feature or the existing service offered by My NCBI. Updates provided by My NCBI are recommended for less frequent updates.
</p>
<p>
<strong>Technical Support for RSS Readers</strong><br />
NLM is unable to provide support for RSS readers or to test this service with a specific reader. Users interested in using this technology or who need technical support should enlist the help of their computer support staff.
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<p>
<strong>By Kathi Canese</strong><br />
<strong>National Center for Biotechnology (NCBI)</strong><br />
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<!--<p>PubMed. RSS Feeds available.</p>-->
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<em>Canese, K. RSS Feeds Available from PubMed<sup><font size=-2>&#174;</font></sup>. NLM Tech Bull. 2005 May-Jun;(344):e2.</em>
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