[1]
D. Charoenvidhya, B. Uerpairojkit, Y. Tannirandorn, S. Manotaya, and S. Tanawattanacharoen, “Normal Values for Amniotic Fluid Index at 26-40 Weeks’ Gestation”, Thai J Obstet Gynaecol, vol. 9, no. 4, pp. 263–268, Dec. 1997.