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<xml><bibliography><APA>Vichit Viriyaroj. (2005) Gastrointestinal stromal tumors of anus : A case report and review article. &lt;i&gt;Journal of Medicine and Health Sciences&lt;/i&gt;, &lt;i&gt;12&lt;/i&gt;(3), 116-122.</APA><Chicago>Vichit Viriyaroj. "Gastrointestinal stromal tumors of anus : A case report and review article". Journal of Medicine and Health Sciences  12 (2005):116-122.</Chicago><MLA>Vichit Viriyaroj. Gastrointestinal stromal tumors of anus : A case report and review article. Faculty of Medicine,Srinakharinwirot University:ม.ป.ท. 2005.</MLA></bibliography></xml>
