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<front>
<journal-meta>
<journal-id journal-id-type="publisher-id">KJIM</journal-id>
<journal-title-group>
<journal-title>The Korean Journal of Internal Medicine</journal-title><abbrev-journal-title>Korean J Intern Med</abbrev-journal-title></journal-title-group>
<issn pub-type="ppub">1226-3303</issn>
<issn pub-type="epub">2005-6648</issn>
<publisher>
<publisher-name>The Korean Association of Internal Medicine</publisher-name></publisher></journal-meta>
<article-meta>
<article-id pub-id-type="doi">10.3904/kjim.2017.363.r1</article-id>
<article-id pub-id-type="publisher-id">kjim-2017-363-r1</article-id>
<article-categories>
<subj-group>
<subject>Retraction</subject></subj-group></article-categories>
<title-group>
<article-title>Comparison of antiplatelet treatment in patients with clopidogrel nonresponders with or without carriage of <italic>CYP2C19</italic> polymorphism</article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name><surname>Ko</surname><given-names>Yun Myoung</given-names></name>
<xref ref-type="aff" rid="af1-kjim-2017-363-r1"><sup>1</sup></xref>
</contrib>
<contrib contrib-type="author">
<name><surname>Kim</surname><given-names>Jeong Kyung</given-names></name>
<xref ref-type="aff" rid="af2-kjim-2017-363-r1"><sup>2</sup></xref>
</contrib>
<contrib contrib-type="author">
<name><surname>Kim</surname><given-names>Jeong Hee</given-names></name>
<xref ref-type="aff" rid="af2-kjim-2017-363-r1"><sup>2</sup></xref>
</contrib>
<contrib contrib-type="author">
<name><surname>Park</surname><given-names>Sang-Ho</given-names></name>
<xref ref-type="aff" rid="af3-kjim-2017-363-r1"><sup>3</sup></xref>
</contrib>
<contrib contrib-type="author">
<name><surname>Choi</surname><given-names>Rak Kyeong</given-names></name>
<xref ref-type="aff" rid="af4-kjim-2017-363-r1"><sup>4</sup></xref>
</contrib>
<aff id="af1-kjim-2017-363-r1">
<label>1</label>Department of Internal Medicine, Sun Hospital, Daejeon, <country>Korea</country></aff>
<aff id="af2-kjim-2017-363-r1">
<label>2</label>Cardiovascular Center, Department of Internal Medicine, Sun Hospital, Daejeon, <country>Korea</country></aff>
<aff id="af3-kjim-2017-363-r1">
<label>3</label>Department of Internal Medicine, Soonchunhyang University Hospital Cheonan, Cheonan, <country>Korea</country></aff>
<aff id="af4-kjim-2017-363-r1">
<label>4</label>Division of Cardiovascular, Department of Internal Medicine, Mediplex Sejong Hospital, Incheon, <country>Korea</country></aff>
</contrib-group>
<pub-date pub-type="ppub">
<month>9</month>
<year>2026</year></pub-date>
<pub-date pub-type="epub">
<day>1</day>
<month>9</month>
<year>2026</year></pub-date>
<volume>41</volume>
<issue>5</issue>
<fpage>967</fpage>
<lpage>967</lpage>
<permissions>
<copyright-statement>Copyright &#x000A9; 2026 The Korean Association of Internal Medicine</copyright-statement>
<copyright-year>2026</copyright-year>
<license>
<license-p>This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (<ext-link ext-link-type="uri" xlink:href="http://creativecommons.org/licenses/by-nc/4.0/">http://creativecommons.org/licenses/by-nc/4.0/</ext-link>) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited.</license-p></license></permissions>
<related-article id="RA1" related-article-type="retracted-article" xlink:href="29843492" ext-link-type="pubmed" elocation-id="kjim.2017.363"/>
</article-meta></front>
<body>
<p>Korean J Intern Med 2018;kjim.2017.363</p>
<p><ext-link xlink:href="https://doi.org/10.3904/kjim.2017.363" ext-link-type="uri">https://doi.org/10.3904/kjim.2017.363</ext-link></p>
<p>This article has been retracted at the request of the authors.</p>
<p>We apologize for any inconvenience that may have caused.</p>
</body>
</article>