[1]
P. Sunsaneevithayakul, T. Siwadune, D. Boriboonhirunsarn, V. Titapant, and A. Sutanthavibul, “Reference Centile Charts for Fetal Umbilical Artery Doppler Velocimetry Waveform of Thai Fetuses”, Thai J Obstet Gynaecol, vol. 12, no. 3, pp. 201–211, Jul. 2000.