Orathai Channumsin. (1999) The use of lipid associated sialic acid (Lasa) in detection of laryngeal concers. Mahidol University,:ม.ป.ท.Orathai Channumsin. 1999. The use of lipid associated sialic acid (Lasa) in detection of laryngeal concers. ม.ป.ท.:Mahidol University,;Orathai Channumsin. The use of lipid associated sialic acid (Lasa) in detection of laryngeal concers. ม.ป.ท.:Mahidol University, 1999. Print.