Udompon Kitthawee. (1997) Lactose maldigestion and intolerance after milk consumption in children and adolescents. Mahidol University,:ม.ป.ท.Udompon Kitthawee. 1997. Lactose maldigestion and intolerance after milk consumption in children and adolescents. ม.ป.ท.:Mahidol University,;Udompon Kitthawee. Lactose maldigestion and intolerance after milk consumption in children and adolescents. ม.ป.ท.:Mahidol University, 1997. Print.