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<xml><bibliography><APA>Warinya Jearranaikarn และ Teera Siwadune. (2021) A Comparison of Cervical Ruler and Transvaginal Ultrasound for Cervical Length Measurement during Pregnancy. &lt;i&gt;Thai Journal of Obstetrics and Gynaecology&lt;/i&gt;, &lt;i&gt;29&lt;/i&gt;(2), 65-72.</APA><Chicago>Warinya Jearranaikarn และ Teera Siwadune. "A Comparison of Cervical Ruler and Transvaginal Ultrasound for Cervical Length Measurement during Pregnancy". Thai Journal of Obstetrics and Gynaecology  29 (2021):65-72.</Chicago><MLA>Warinya Jearranaikarn และ Teera Siwadune. A Comparison of Cervical Ruler and Transvaginal Ultrasound for Cervical Length Measurement during Pregnancy. PIMDEE Co. Ltd.:ม.ป.ท. 2021.</MLA></bibliography></xml>
