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<xml><bibliography><APA>Vorapong Phupong. (2019) Particulate Matter 2.5 and Obstetric Complications. &lt;i&gt;Thai Journal of Obstetrics and Gynaecology&lt;/i&gt;, &lt;i&gt;27&lt;/i&gt;(1), 2-5.</APA><Chicago>Vorapong Phupong. "Particulate Matter 2.5 and Obstetric Complications". Thai Journal of Obstetrics and Gynaecology  27 (2019):2-5.</Chicago><MLA>Vorapong Phupong. Particulate Matter 2.5 and Obstetric Complications. PIMDEE Co. Ltd.:ม.ป.ท. 2019.</MLA></bibliography></xml>
