Niwed Kullawong. (2005) Cloning and expression of biological active human erythropoietin in mammalian cells. Mahidol University,:ม.ป.ท.Niwed Kullawong. 2005. Cloning and expression of biological active human erythropoietin in mammalian cells. ม.ป.ท.:Mahidol University,;Niwed Kullawong. Cloning and expression of biological active human erythropoietin in mammalian cells. ม.ป.ท.:Mahidol University, 2005. Print.