Udompon Kitthawee. 1997. Lactose maldigestion and intolerance after milk consumption in children and adolescents. Bangkok:Mahidol University;
Udompon Kitthawee. (1997) Lactose maldigestion and intolerance after milk consumption in children and adolescents (รายงานผลงานวิจัย). Mahidol University:Bangkok.
Udompon Kitthawee. Lactose maldigestion and intolerance after milk consumption in children and adolescents. Bangkok:Mahidol University, 1997.
Udompon Kitthawee. (1997) Lactose maldigestion and intolerance after milk consumption in children and adolescents (รายงานผลงานวิจัย). Mahidol University:Bangkok.