Piya Chaemsaithong และ Kasem Raungrongmorakot. (2005) Intrapartum Fetal Monitoring. <i>Journal of Medicine and Health Sciences</i>, <i>12</i>(2), 42-58.Piya Chaemsaithong และ Kasem Raungrongmorakot. "Intrapartum Fetal Monitoring". Journal of Medicine and Health Sciences 12 (2005):42-58.Piya Chaemsaithong และ Kasem Raungrongmorakot. Intrapartum Fetal Monitoring. Faculty of Medicine,Srinakharinwirot University:ม.ป.ท. 2005.