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<p class="tableOfContents"><strong>Table of Contents: <a href="/pubs/techbull/mj12/mj12_issue_cover.html">2012 MAY–JUNE No. 386</a></strong></p>
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<span class="previous"><a href="mj12_mla_theater_ppt.html">Previous</a></span> <span class="next"><a href="mj12_ntc_training.html">Next</a></span>
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<hr class="hr1" />
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<h1 class="articleH1">PubMed Discovery Tools</h1>
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<p class="tbyearmonth">Canese K. PubMed Discovery Tools. NLM Tech Bull. 2012 May-Jun;(386):e7.</p>
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<div class="articleactions">2012 June 08 <span class="status">[posted]</span>
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<br />
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2012 June 18
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<span class="status">
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[<a href="#note">Editor's note added</a>]
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</span>
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<br />
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2013 April 23
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<span class="status">
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[<a href="#note2">Editor's note added</a>]
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<div class="articleParagraph">
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<p>
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<a name="note">
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[</a>Editor's note: These changes were implemented in PubMed on June 18, 2012.]
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</p>
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<p>PubMed "Results by year" and PubMed Central "PMC images search" tools will soon display in the discovery column for all PubMed users (see <a href="#fig1">Figure 1</a>).</p>
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<p><a name="fig1"></a></p>
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<div class="figure" style="width: 674px;"> <img src="graphics/pm_discovery_ads_fig1.png" alt="Screen capture of PubMed results with "Results by year" and "PMC images search" tools" title="Screen capture of PubMed results with "Results by year" and "PMC images search" tools" width="672" height="467" /><br /> <strong>Figure 1: PubMed results with "Results by year" and "PMC images search" tools.</strong></div>
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<p>
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<a name="note2">
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[</a>Editor's note: The "Results by year" timeline tool has been changed to display for search results with 1,000 or more citations.]
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</p>
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<p>
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The "Results by year" timeline tool will display for search results with 10,000 or more citations. Mouseover the bars in the timeline to display the number of citations for each year, click the right and left arrows to display older or newer years, and click the individual bars in the timeline to display the results for a single year (see <a href="#fig2">Figure 2</a>).</p>
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<a name="fig2"></a>
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<div class="figure" style="width: 263px;"> <img src="graphics/pm_discovery_ads_fig2.png" alt="Screen capture of Mouseover for the PubMed "Results by year" timeline tool " title="Screen capture of Mouseover for the PubMed "Results by year" timeline tool " width="261" height="157" /><br /> <strong>Figure 2: Mouseover for the PubMed "Results by year" timeline tool.</strong></div>
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<p>The "PMC images search" tool will display for PubMed search results that meet a number of criteria, e.g., results with a minimum of 250 citations, filters are not active, the search does not include Boolean operators, the search retrieves a minimum of 4 relevant images calculated using a term weighted algorithm.</p>
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<p>To enhance the size of an image, mouseover the thumbnail in the tool (see <a href="#fig3">Figure 3</a>). </p>
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<a name="fig3"></a>
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<div class="figure" style="width: 654px;"> <img src="graphics/pm_discovery_ads_fig3.png" alt="Screen capture of Mouseover for the PubMed "Results by year" timeline tool" title="Screen capture of Mouseover for the PubMed "Results by year" timeline tool" width="652" height="504" /><br /> <strong>Figure 3: Mouseover of an image in the "PMC Images search" tool.</strong></div>
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<p>Click within the enhanced image box to display the PubMed Central article for the image.</p>
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<p>The PubMed discovery column tools may be modified in the future.</p>
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<p class="articleParagraph">
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By
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Kathi Canese<br />
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National Center for Biotechnology Information<br />
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