Somprattana Mungkornkaew และ Theera Siwadune. (2015) The Difference of Hematocrit in Term and Preterm Vaginal Births in Different Timing of Delayed Cord Clampin. <i>Thai Journal of Obstetrics and Gynaecology</i>, <i>23</i>(4), 223-230.Somprattana Mungkornkaew และ Theera Siwadune. "The Difference of Hematocrit in Term and Preterm Vaginal Births in Different Timing of Delayed Cord Clampin". Thai Journal of Obstetrics and Gynaecology 23 (2015):223-230.Somprattana Mungkornkaew และ Theera Siwadune. The Difference of Hematocrit in Term and Preterm Vaginal Births in Different Timing of Delayed Cord Clampin. PIMDEE Co. Ltd.:ม.ป.ท. 2015.